123112022102220 has 48 divisors (see below), whose sum is σ = 359701212407040. Its totient is φ = 31402486796736.

The previous prime is 123112022102161. The next prime is 123112022102239. The reversal of 123112022102220 is 22201220211321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44605803730 + ... + 44605806489.

It is an arithmetic number, because the mean of its divisors is an integer number (7493775258480).

Almost surely, 2^{123112022102220} is an apocalyptic number.

123112022102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123112022102220 is an abundant number, since it is smaller than the sum of its proper divisors (236589190304820).

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

123112022102220 is a wasteful number, since it uses less digits than its factorization.

123112022102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89211610254 (or 89211610252 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 123112022102220 its reverse (22201220211321), we get a palindrome (145313242313541).

The spelling of 123112022102220 in words is "one hundred twenty-three trillion, one hundred twelve billion, twenty-two million, one hundred two thousand, two hundred twenty".