123302112133112 has 32 divisors (see below), whose sum is σ = 252258445739520. Its totient is φ = 56035396825440.

The previous prime is 123302112133043. The next prime is 123302112133121. The reversal of 123302112133112 is 211331211203321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137272058 + ... + 138167369.

It is an arithmetic number, because the mean of its divisors is an integer number (7883076429360).

Almost surely, 2^{123302112133112} is an apocalyptic number.

It is an amenable number.

123302112133112 is an abundant number, since it is smaller than the sum of its proper divisors (128956333606408).

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

123302112133112 is a wasteful number, since it uses less digits than its factorization.

123302112133112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275444531 (or 275444527 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 123302112133112 its reverse (211331211203321), we get a palindrome (334633323336433).

The spelling of 123302112133112 in words is "one hundred twenty-three trillion, three hundred two billion, one hundred twelve million, one hundred thirty-three thousand, one hundred twelve".