123030131222100 has 72 divisors (see below), whose sum is σ = 355968299188768. Its totient is φ = 32807931811200.

The previous prime is 123030131222083. The next prime is 123030131222149. The reversal of 123030131222100 is 1222131030321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170306862 + ... + 171027738.

Almost surely, 2^{123030131222100} is an apocalyptic number.

123030131222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123030131222100 is an abundant number, since it is smaller than the sum of its proper divisors (232938167966668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123030131222100 is a wasteful number, since it uses less digits than its factorization.

123030131222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289785 (or 1289778 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123030131222100 its reverse (1222131030321), we get a palindrome (124252262252421).

The spelling of 123030131222100 in words is "one hundred twenty-three trillion, thirty billion, one hundred thirty-one million, two hundred twenty-two thousand, one hundred".