Undefined Character (U+12FFA)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𒿺` `𒿺`
UTF-8 Encoding:	`0xF0 0x92 0xBF 0xBA`
UTF-16 Encoding:	`0xD80B 0xDFFA`
UTF-32 Encoding:	`0x00012FFA`

References