This character is a Other Letter and is mainly used in the Samaritan script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written from right to left. When changing direction it is not mirrored. The word that U+0812 forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
Qoph is the nineteenth letter of the Semitic abjads, including Arabic qāfق, Aramaic qop 𐡒, Hebrew qūp̄ק, Phoenician qōp 𐤒, and Syriac qōp̄ ܩ.
Its original sound value was a West Semitic emphatic stop, presumably [kʼ]. In Hebrew numerals, it has the numerical value of 100.
Representations
System
Representation (click value to copy)
Nº
2066
UTF-8
E0 A0 92
UTF-16
08 12
UTF-32
00 00 08 12
URL-Quoted
%E0%A0%92
HTML hex reference
ࠒ
Wrong windows-1252 Mojibake
à ’
Encoding: GB18030 (hex bytes)
81 31 B5 30
RFC 5137
\u'0812'
Bash and Zsh inside echo -e
\u0812
C and C++
\u0812
C#
\u0812
CSS
\000812
Excel
=UNICHAR(2066)
Go
\u0812
JavaScript
\u0812
Modern JavaScript since ES6
\u{812}
JSON
\u0812
Java
\u0812
Lua
\u{812}
Matlab
char(2066)
Perl
"\x{812}"
PHP
\u{812}
PostgreSQL
U&'\0812'
PowerShell
`u{812}
Python
\u0812
Ruby
\u{812}
Rust
\u{812}
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