320012311122 has 48 divisors (see below), whose sum is σ = 792595919232. Its totient is φ = 91410802560.

The previous prime is 320012311111. The next prime is 320012311147. The reversal of 320012311122 is 221113210023.

320012311122 is a `hidden beast` number, since 320 + 0 + 1 + 231 + 112 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 320012311095 and 320012311104.

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, 251722 + ... + 838682.

It is an arithmetic number, because the mean of its divisors is an integer number (16512414984).

Almost surely, 2^320012311122 is an apocalyptic number.

320012311122 is an abundant number, since it is smaller than the sum of its proper divisors (472583608110).

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

320012311122 is a wasteful number, since it uses less digits than its factorization.

320012311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591303 (or 591300 counting only the distinct ones).

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

Adding to 320012311122 its reverse (221113210023), we get a palindrome (541125521145).

The spelling of 320012311122 in words is "three hundred twenty billion, twelve million, three hundred eleven thousand, one hundred twenty-two".