123112113311022 has 32 divisors (see below), whose sum is σ = 268614961655040. Its totient is φ = 37305768443520.

The previous prime is 123112113311021. The next prime is 123112113311039. The reversal of 123112113311022 is 220113311211321.

It is a junction number, because it is equal to n+sod(n) for n = 123112113310983 and 123112113311001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123112113311021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20651403 + ... + 25936550.

It is an arithmetic number, because the mean of its divisors is an integer number (8394217551720).

Almost surely, 2^{123112113311022} is an apocalyptic number.

123112113311022 is an abundant number, since it is smaller than the sum of its proper divisors (145502848344018).

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

123112113311022 is a wasteful number, since it uses less digits than its factorization.

123112113311022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46628008.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 123112113311022 its reverse (220113311211321), we get a palindrome (343225424522343).

The spelling of 123112113311022 in words is "one hundred twenty-three trillion, one hundred twelve billion, one hundred thirteen million, three hundred eleven thousand, twenty-two".