Undefined Character (U+12F99)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𒾙` `𒾙`
UTF-8 Encoding:	`0xF0 0x92 0xBE 0x99`
UTF-16 Encoding:	`0xD80B 0xDF99`
UTF-32 Encoding:	`0x00012F99`

References