123123131202000 has 160 divisors (see below), whose sum is σ = 396955414477440. Its totient is φ = 32832302361600.

The previous prime is 123123131201999. The next prime is 123123131202023. The reversal of 123123131202000 is 202131321321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490008399 + ... + 490259601.

It is an arithmetic number, because the mean of its divisors is an integer number (2480971340484).

Almost surely, 2^{123123131202000} is an apocalyptic number.

123123131202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123123131202000 is an abundant number, since it is smaller than the sum of its proper divisors (273832283275440).

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

123123131202000 is a wasteful number, since it uses less digits than its factorization.

123123131202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332918 (or 332902 counting only the distinct ones).

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

Adding to 123123131202000 its reverse (202131321321), we get a palindrome (123325262523321).

The spelling of 123123131202000 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, one hundred thirty-one million, two hundred two thousand".