123211012320000 has 1080 divisors, whose sum is σ = 497364540713040. Its totient is φ = 29061918720000.

The previous prime is 123211012319981. The next prime is 123211012320017. The reversal of 123211012320000 is 23210112321.

123211012320000 is a `hidden beast` number, since 1 + 2 + 321 + 10 + 12 + 320 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 585974886 + ... + 586185114.

Almost surely, 2^{123211012320000} is an apocalyptic number.

123211012320000 is a gapful number since it is divisible by the number (10) 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 123211012320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248682270356520).

123211012320000 is an abundant number, since it is smaller than the sum of its proper divisors (374153528393040).

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

123211012320000 is a wasteful number, since it uses less digits than its factorization.

123211012320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210319 (or 210287 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123211012320000 its reverse (23210112321), we get a palindrome (123234222432321).

The spelling of 123211012320000 in words is "one hundred twenty-three trillion, two hundred eleven billion, twelve million, three hundred twenty thousand".