As character names:

U+12001 CUNEIFORM SIGN A TIMES A character (𒀁)

As raw characters:

𒀁

As a string of HTML entities:

𒀁

Decoder output:

Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000
This is the first byte of a 4 byte sequence.

Byte number 2 is decimal 146, hex 0x92, octal \222, binary 10010010
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 128, hex 0x80, octal \200, binary 10000000
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 129, hex 0x81, octal \201, binary 10000001
This is continuation byte 3, expecting 0 more.

U+12001	CUNEIFORM SIGN A TIMES A