123211303110120 has 128 divisors (see below), whose sum is σ = 391382084096640. Its totient is φ = 30923225825280.

The previous prime is 123211303110109. The next prime is 123211303110173. The reversal of 123211303110120 is 21011303112321.

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, 179832919 + ... + 180516761.

It is an arithmetic number, because the mean of its divisors is an integer number (3057672532005).

Almost surely, 2^{123211303110120} is an apocalyptic number.

123211303110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123211303110120 is an abundant number, since it is smaller than the sum of its proper divisors (268170780986520).

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

123211303110120 is a wasteful number, since it uses less digits than its factorization.

123211303110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772195 (or 772191 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 123211303110120 its reverse (21011303112321), we get a palindrome (144222606222441).

The spelling of 123211303110120 in words is "one hundred twenty-three trillion, two hundred eleven billion, three hundred three million, one hundred ten thousand, one hundred twenty".