Code point
U+2A12
Glyph appearance depends on your fonts.
U+2A12
SmU+2A12 LINE INTEGRATION WITH RECTANGULAR PATH AROUND POLE is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Supplemental Mathematical Operators block.
Choose the representation you need, then copy its value.
U+2A12
10770
⨒
⨒
⨒
E2 A8 92
2A12
00002A12
%E2%A8%92
\u2A12
\u2A12
\u2A12
\2A12