Code point
U+3007
Glyph appearance depends on your fonts.
U+3007
NlU+3007 IDEOGRAPHIC NUMBER ZERO is a Unicode 16.0.0 character in the Letter Number category. It belongs to the CJK Symbols and Punctuation block.
Choose the representation you need, then copy its value.
U+3007
12295
〇
〇
E3 80 87
3007
00003007
%E3%80%87
\u3007
\u3007
\u3007
\3007