This character is a Other Symbol and is mainly used in the Katakana script.
The glyph is a circle version of the glyph Katakana Letter A. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. This katakana joins with other adjacent katakana to form a word. U+32D0 offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
A (hiragana: あ, katakana: ア) is a Japanese kana that represents the mora consisting of single vowel [a]. The hiragana character あ is based on the sōsho style of kanji 安, while the katakana ア is from the radical of kanji 阿. In the modern Japanese system of alphabetical order, it occupies the first position of the alphabet, before い. Additionally, it is the 36th letter in Iroha, after て, before さ. The Unicode for あ is U+3042, and the Unicode for ア is U+30A2.
Representations
System
Representation (click value to copy)
Nº
13008
UTF-8
E3 8B 90
UTF-16
32 D0
UTF-32
00 00 32 D0
URL-Quoted
%E3%8B%90
HTML hex reference
㋐
Wrong windows-1252 Mojibake
ã‹
Encoding: EUC_JIS_2004 (hex bytes)
AC DB
Encoding: EUC_JISX0213 (hex bytes)
AC DB
Encoding: GB18030 (hex bytes)
81 39 D1 36
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 28 51 2C 5B 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 28 4F 2C 5B 1B 28 42
Encoding: SHIFT_JIS_2004 (hex bytes)
86 D9
Encoding: SHIFT_JISX0213 (hex bytes)
86 D9
RFC 5137
\u'32D0'
Bash and Zsh inside echo -e
\u32D0
C and C++
\u32D0
C#
\u32D0
CSS
\0032D0
Excel
=UNICHAR(13008)
Go
\u32D0
JavaScript
\u32D0
Modern JavaScript since ES6
\u{32d0}
JSON
\u32D0
Java
\u32D0
Lua
\u{32D0}
Matlab
char(13008)
Perl
"\x{32D0}"
PHP
\u{32d0}
PostgreSQL
U&'\32D0'
PowerShell
`u{32D0}
Python
\u32D0
Ruby
\u{32d0}
Rust
\u{32d0}
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