123123210212032 has 28 divisors (see below), whose sum is σ = 257181705544120. Its totient is φ = 58321520626176.

The previous prime is 123123210212017. The next prime is 123123210212047. The reversal of 123123210212032 is 230212012321321.

It is an interprime number because it is at equal distance from previous prime (123123210212017) and next prime (123123210212047).

It is a junction number, because it is equal to n+sod(n) for n = 123123210211988 and 123123210212006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50626318773 + ... + 50626321204.

It is an arithmetic number, because the mean of its divisors is an integer number (9185060912290).

Almost surely, 2^{123123210212032} is an apocalyptic number.

It is an amenable number.

123123210212032 is an abundant number, since it is smaller than the sum of its proper divisors (134058495332088).

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

123123210212032 is a wasteful number, since it uses less digits than its factorization.

123123210212032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101252640008 (or 101252639998 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123123210212032 its reverse (230212012321321), we get a palindrome (353335222533353).

The spelling of 123123210212032 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, two hundred ten million, two hundred twelve thousand, thirty-two".