231220330122000 has 160 divisors (see below), whose sum is σ = 752691767143680. Its totient is φ = 61060125849600.

The previous prime is 231220330121981. The next prime is 231220330122011. The reversal of 231220330122000 is 221033022132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186453465 + ... + 187689464.

It is an arithmetic number, because the mean of its divisors is an integer number (4704323544648).

Almost surely, 2^{231220330122000} is an apocalyptic number.

231220330122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231220330122000 is an abundant number, since it is smaller than the sum of its proper divisors (521471437021680).

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

231220330122000 is a wasteful number, since it uses less digits than its factorization.

231220330122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374143058 (or 374143042 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231220330122000 its reverse (221033022132), we get a palindrome (231441363144132).

The spelling of 231220330122000 in words is "two hundred thirty-one trillion, two hundred twenty billion, three hundred thirty million, one hundred twenty-two thousand".