322320111012 has 18 divisors (see below), whose sum is σ = 814753614038. Its totient is φ = 107440036992.

The previous prime is 322320111007. The next prime is 322320111013. The reversal of 322320111012 is 210111023223.

322320111012 is a `hidden beast` number, since 322 + 320 + 1 + 1 + 10 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 226779773796 + 95540337216 = 476214^2 + 309096^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (322320111013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4476668173 + ... + 4476668244.

Almost surely, 2^322320111012 is an apocalyptic number.

It is an amenable number.

322320111012 is an abundant number, since it is smaller than the sum of its proper divisors (492433503026).

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

322320111012 is a wasteful number, since it uses less digits than its factorization.

322320111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8953336427 (or 8953336422 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 322320111012 its reverse (210111023223), we get a palindrome (532431134235).

The spelling of 322320111012 in words is "three hundred twenty-two billion, three hundred twenty million, one hundred eleven thousand, twelve".