Source: Noto Sans Cuneiform

U+12471 Cuneiform Punctuation Sign Vertical Colon

U+12471 was added in Unicode version 5.0 in 2006. It belongs to the block U+12400 to U+1247F Cuneiform Numbers and Punctuation in the U+10000 to U+1FFFF Supplementary Multilingual Plane.

This character is a Other Punctuation and is mainly used in the Cuneiform script.

The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. U+12471 offers a line break opportunity after its position.

The Wikipedia has the following information about this codepoint:

The Winkelhaken (German: [ˈvɪŋkəlˌhaːkən], "angular hook"), also simply called a hook, is one of five basic wedge elements appearing in the composition of signs in Akkadian cuneiform. It was realized by pressing the point of the stylus into the clay.
A single Winkelhaken corresponds to the sign U (Borger 1981 nr. 411, Borger 2003 nr. 661), encoded in Unicode at code point U+1230B 𒌋.
other signs consisting of Winkelhaken:

A Glossenkeil (Borger nr. 378) is a cuneiform character, consisting of either two Winkelhaken (U+12471 𒑱), or of two parallel short diagonal wedges (U+12472 𒑲, similar to GAM), Borger 2003 nr. 592, which serves as a sort of punctuation, as it were as quote sign, marking foreign words or names, or as separation mark, transliterated as a colon ':'.

two Winkelhaken, MAN, XX "20", Borger 2003 nr. 708

three Winkelhaken, EŠ, XXX "30", Borger 2003 nr. 711, U+1230D 𒌍

four Winkelhaken, NIMIN, XL "40", Borger 2003 nr. 712, U+1240F 𒐏

four Winkelhaken, two of them reversed MAŠGI, BARGI, Borger 2003 nr. 713, U+12310 𒌐

five Winkelhaken, NINNU, L "50", Borger 2003 nr. 714, U+12410 𒐐

six Winkelhaken, LX "60", Borger 2003 nr. 715, U+12411 𒐑

seven Winkelhaken, Borger 2003 nr. 716, U+12412 𒐒

eight Winkelhaken, Borger 2003 nr. 717, U+12413 𒐓

nine Winkelhaken, Borger 2003 nr. 718, U+12414 𒐔

Representations

System	Representation
Nº	74865
UTF-8	F0 92 91 B1
UTF-16	D8 09 DC 71
UTF-32	00 01 24 71
URL-Quoted	%F0%92%91%B1
HTML hex reference	𒑱
Wrong windows-1252 Mojibake	ð’‘±
Encoding: GB18030 (hex bytes)	90 37 B3 39

Elsewhere

Complete Record

Property	Value
Age (age)	5.0 (2006)
Unicode Name (na)	CUNEIFORM PUNCTUATION SIGN VERTICAL COLON
Unicode 1 Name (na1)	—
Block (blk)	Cuneiform Numbers and Punctuation
General Category (gc)	Other Punctuation
Script (sc)	Cuneiform
Bidirectional Category (bc)	Left To Right
Combining Class (ccc)	Not Reordered
Decomposition Type (dt)	none
Decomposition Mapping (dm)	Cuneiform Punctuation Sign Vertical Colon
Lowercase (Lower)	✘
Simple Lowercase Mapping (slc)	Cuneiform Punctuation Sign Vertical Colon
Lowercase Mapping (lc)	Cuneiform Punctuation Sign Vertical Colon
Uppercase (Upper)	✘
Simple Uppercase Mapping (suc)	Cuneiform Punctuation Sign Vertical Colon
Uppercase Mapping (uc)	Cuneiform Punctuation Sign Vertical Colon
Simple Titlecase Mapping (stc)	Cuneiform Punctuation Sign Vertical Colon
Titlecase Mapping (tc)	Cuneiform Punctuation Sign Vertical Colon
Case Folding (cf)	Cuneiform Punctuation Sign Vertical Colon
ASCII Hex Digit (AHex)	✘
Alphabetic (Alpha)	✘
Bidi Control (Bidi_C)	✘
Bidi Mirrored (Bidi_M)	✘
Composition Exclusion (CE)	✘
Case Ignorable (CI)	✘
Changes When Casefolded (CWCF)	✘
Changes When Casemapped (CWCM)	✘
Changes When NFKC Casefolded (CWKCF)	✘
Changes When Lowercased (CWL)	✘
Changes When Titlecased (CWT)	✘
Changes When Uppercased (CWU)	✘
Cased (Cased)	✘
Full Composition Exclusion (Comp_Ex)	✘
Default Ignorable Code Point (DI)	✘
Dash (Dash)	✘
Deprecated (Dep)	✘
Diacritic (Dia)	✘
Emoji Modifier Base (EBase)	✘
Emoji Component (EComp)	✘
Emoji Modifier (EMod)	✘
Emoji Presentation (EPres)	✘
Emoji (Emoji)	✘
Extender (Ext)	✘
Extended Pictographic (ExtPict)	✘
FC NFKC Closure (FC_NFKC)	Cuneiform Punctuation Sign Vertical Colon
Grapheme Cluster Break (GCB)	Any
Grapheme Base (Gr_Base)	✔
Grapheme Extend (Gr_Ext)	✘
Grapheme Link (Gr_Link)	✘
Hex Digit (Hex)	✘
Hyphen (Hyphen)	✘
ID Continue (IDC)	✘
ID Start (IDS)	✘
IDS Binary Operator (IDSB)	✘
IDS Trinary Operator and (IDST)	✘
IDSU (IDSU)	0
ID_Compat_Math_Continue (ID_Compat_Math_Continue)	0
ID_Compat_Math_Start (ID_Compat_Math_Start)	0
Ideographic (Ideo)	✘
InCB (InCB)	None
Indic Mantra Category (InMC)	—
Indic Positional Category (InPC)	NA
Indic Syllabic Category (InSC)	Other
Jamo Short Name (JSN)	—
Join Control (Join_C)	✘
Logical Order Exception (LOE)	✘
Modifier Combining Mark (MCM)	✘
Math (Math)	✘
Noncharacter Code Point (NChar)	✘
NFC Quick Check (NFC_QC)	Yes
NFD Quick Check (NFD_QC)	Yes
NFKC Casefold (NFKC_CF)	Cuneiform Punctuation Sign Vertical Colon
NFKC Quick Check (NFKC_QC)	Yes
NFKC_SCF (NFKC_SCF)	Cuneiform Punctuation Sign Vertical Colon
NFKD Quick Check (NFKD_QC)	Yes
Other Alphabetic (OAlpha)	✘
Other Default Ignorable Code Point (ODI)	✘
Other Grapheme Extend (OGr_Ext)	✘
Other ID Continue (OIDC)	✘
Other ID Start (OIDS)	✘
Other Lowercase (OLower)	✘
Other Math (OMath)	✘
Other Uppercase (OUpper)	✘
Prepended Concatenation Mark (PCM)	✘
Pattern Syntax (Pat_Syn)	✘
Pattern White Space (Pat_WS)	✘
Quotation Mark (QMark)	✘
Regional Indicator (RI)	✘
Radical (Radical)	✘
Sentence Break (SB)	Other
Soft Dotted (SD)	✘
Sentence Terminal (STerm)	✘
Terminal Punctuation (Term)	✔
Unified Ideograph (UIdeo)	✘
Variation Selector (VS)	✘
Word Break (WB)	Other
White Space (WSpace)	✘
XID Continue (XIDC)	✘
XID Start (XIDS)	✘
Expands On NFC (XO_NFC)	✘
Expands On NFD (XO_NFD)	✘
Expands On NFKC (XO_NFKC)	✘
Expands On NFKD (XO_NFKD)	✘
Bidi Paired Bracket (bpb)	Cuneiform Punctuation Sign Vertical Colon
Bidi Paired Bracket Type (bpt)	None
East Asian Width (ea)	neutral
Hangul Syllable Type (hst)	Not Applicable
ISO 10646 Comment (isc)	—
Joining Group (jg)	No_Joining_Group
Joining Type (jt)	Non Joining
Line Break (lb)	Break After
Numeric Type (nt)	none
Numeric Value (nv)	not a number
Simple Case Folding (scf)	Cuneiform Punctuation Sign Vertical Colon
Script Extension (scx)
Vertical Orientation (vo)	R