231021232122000 has 320 divisors, whose sum is σ = 748313184962304. Its totient is φ = 61316321587200.

The previous prime is 231021232121987. The next prime is 231021232122013. The reversal of 231021232122000 is 221232120132.

It is an interprime number because it is at equal distance from previous prime (231021232121987) and next prime (231021232122013).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3574653687 + ... + 3574718313.

Almost surely, 2^{231021232122000} is an apocalyptic number.

231021232122000 is a gapful number since it is divisible by the number (20) 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 231021232122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374156592481152).

231021232122000 is an abundant number, since it is smaller than the sum of its proper divisors (517291952840304).

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

231021232122000 is a wasteful number, since it uses less digits than its factorization.

231021232122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67443 (or 67427 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 231021232122000 its reverse (221232120132), we get a palindrome (231242464242132).

The spelling of 231021232122000 in words is "two hundred thirty-one trillion, twenty-one billion, two hundred thirty-two million, one hundred twenty-two thousand".