123100131202112 has 14 divisors (see below), whose sum is σ = 244276822854318. Its totient is φ = 61550065601024.

The previous prime is 123100131202043. The next prime is 123100131202157. The reversal of 123100131202112 is 211202131001321.

It can be written as a sum of positive squares in only one way, i.e., 122798844383296 + 301286818816 = 11081464^2 + 548896^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961719774953 + ... + 961719775080.

Almost surely, 2^{123100131202112} is an apocalyptic number.

It is an amenable number.

123100131202112 is a deficient number, since it is larger than the sum of its proper divisors (121176691652206).

123100131202112 is an equidigital number, since it uses as much as digits as its factorization.

123100131202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923439550045 (or 1923439550035 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 123100131202112 its reverse (211202131001321), we get a palindrome (334302262203433).

The spelling of 123100131202112 in words is "one hundred twenty-three trillion, one hundred billion, one hundred thirty-one million, two hundred two thousand, one hundred twelve".