Undefined Character (U+12FE9)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𒿩` `𒿩`
UTF-8 Encoding:	`0xF0 0x92 0xBF 0xA9`
UTF-16 Encoding:	`0xD80B 0xDFE9`
UTF-32 Encoding:	`0x00012FE9`

References