322122121312 has 24 divisors (see below), whose sum is σ = 639171461376. Its totient is φ = 159792861312.

The previous prime is 322122121247. The next prime is 322122121339. The reversal of 322122121312 is 213121221223.

It is a super-2 number, since 2×322122121312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39627103 + ... + 39635230.

It is an arithmetic number, because the mean of its divisors is an integer number (26632144224).

Almost surely, 2^322122121312 is an apocalyptic number.

322122121312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

322122121312 is a deficient number, since it is larger than the sum of its proper divisors (317049340064).

322122121312 is a wasteful number, since it uses less digits than its factorization.

322122121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79262470 (or 79262462 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

Adding to 322122121312 its reverse (213121221223), we get a palindrome (535243342535).

The spelling of 322122121312 in words is "three hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, three hundred twelve".