The Cuneiform Numbers and Punctuation block spans U+12400–U+1247F, 128 codepoints in Plane 1 (Supplementary Multilingual Plane). 116 are assigned in Unicode 16.0; the other 12 are reserved for future characters.
All of its characters belong to the Cuneiform script.
By general category: 111 letter numbers (Nl), 5 other punctuation (Po).
The first 103 arrived in Unicode 5.0 (2006); later additions came in 7.0 (13).
Because it lies outside the BMP, every character here takes four bytes in UTF-8 and a surrogate pair in UTF-16.