322120131020 has 24 divisors (see below), whose sum is σ = 680502894624. Its totient is φ = 128076505856.

The previous prime is 322120131007. The next prime is 322120131031. The reversal of 322120131020 is 20131021223.

It is a super-2 number, since 2×322120131020² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 322120131020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48218237 + ... + 48224916.

It is an arithmetic number, because the mean of its divisors is an integer number (28354287276).

Almost surely, 2^322120131020 is an apocalyptic number.

It is an amenable number.

322120131020 is an abundant number, since it is smaller than the sum of its proper divisors (358382763604).

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

322120131020 is a wasteful number, since it uses less digits than its factorization.

322120131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96443329 (or 96443327 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 322120131020 its reverse (20131021223), we get a palindrome (342251152243).

The spelling of 322120131020 in words is "three hundred twenty-two billion, one hundred twenty million, one hundred thirty-one thousand, twenty".