322528812012 has 72 divisors (see below), whose sum is σ = 919113364400. Its totient is φ = 97735999680.

The previous prime is 322528811977. The next prime is 322528812049. The reversal of 322528812012 is 210218825223.

322528812012 is a `hidden beast` number, since 3 + 2 + 2 + 528 + 8 + 120 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 12327337 + ... + 12353472.

Almost surely, 2^322528812012 is an apocalyptic number.

It is an amenable number.

322528812012 is an abundant number, since it is smaller than the sum of its proper divisors (596584552388).

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

322528812012 is a wasteful number, since it uses less digits than its factorization.

322528812012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24680844 (or 24680825 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 322528812012 in words is "three hundred twenty-two billion, five hundred twenty-eight million, eight hundred twelve thousand, twelve".