322321122012 has 72 divisors (see below), whose sum is σ = 787544792496. Its totient is φ = 102563914752.

The previous prime is 322321122007. The next prime is 322321122047. The reversal of 322321122012 is 210221123223.

It is a self number, because there is not a number n which added to its sum of digits gives 322321122012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 685588 + ... + 1055780.

It is an arithmetic number, because the mean of its divisors is an integer number (10938122118).

Almost surely, 2^322321122012 is an apocalyptic number.

It is an amenable number.

322321122012 is an abundant number, since it is smaller than the sum of its proper divisors (465223670484).

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

322321122012 is a wasteful number, since it uses less digits than its factorization.

322321122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370327 (or 370288 counting only the distinct ones).

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

Adding to 322321122012 its reverse (210221123223), we get a palindrome (532542245235).

The spelling of 322321122012 in words is "three hundred twenty-two billion, three hundred twenty-one million, one hundred twenty-two thousand, twelve".