123322589026512 has 160 divisors (see below), whose sum is σ = 338539025829888. Its totient is φ = 38550230704128.

The previous prime is 123322589026493. The next prime is 123322589026519. The reversal of 123322589026512 is 215620985223321.

It is a super-2 number, since 2×123322589026512² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123322589026519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316396098 + ... + 316785630.

Almost surely, 2^{123322589026512} is an apocalyptic number.

123322589026512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123322589026512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169269512914944).

123322589026512 is an abundant number, since it is smaller than the sum of its proper divisors (215216436803376).

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

123322589026512 is a wasteful number, since it uses less digits than its factorization.

123322589026512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390957 (or 390951 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 123322589026512 in words is "one hundred twenty-three trillion, three hundred twenty-two billion, five hundred eighty-nine million, twenty-six thousand, five hundred twelve".