123213031022130 has 128 divisors (see below), whose sum is σ = 352654232702976. Its totient is φ = 26938137388800.

The previous prime is 123213031022057. The next prime is 123213031022167. The reversal of 123213031022130 is 31220130312321.

It is a self number, because there is not a number n which added to its sum of digits gives 123213031022130.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 520270645 + ... + 520507415.

It is an arithmetic number, because the mean of its divisors is an integer number (2755111192992).

Almost surely, 2^{123213031022130} is an apocalyptic number.

123213031022130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123213031022130 is an abundant number, since it is smaller than the sum of its proper divisors (229441201680846).

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

123213031022130 is a wasteful number, since it uses less digits than its factorization.

123213031022130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344552.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 123213031022130 its reverse (31220130312321), we get a palindrome (154433161334451).

The spelling of 123213031022130 in words is "one hundred twenty-three trillion, two hundred thirteen billion, thirty-one million, twenty-two thousand, one hundred thirty".