12313022212 has 12 divisors (see below), whose sum is σ = 22006252800. Its totient is φ = 6025521416.

The previous prime is 12313022173. The next prime is 12313022213. The reversal of 12313022212 is 21222031321.

It is a super-2 number, since 2×12313022212² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12313022212.

It is not an unprimeable number, because it can be changed into a prime (12313022213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32747212 + ... + 32747587.

It is an arithmetic number, because the mean of its divisors is an integer number (1833854400).

Almost surely, 2^12313022212 is an apocalyptic number.

It is an amenable number.

12313022212 is a deficient number, since it is larger than the sum of its proper divisors (9693230588).

12313022212 is a wasteful number, since it uses less digits than its factorization.

12313022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65494850 (or 65494848 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12313022212 its reverse (21222031321), we get a palindrome (33535053533).

The spelling of 12313022212 in words is "twelve billion, three hundred thirteen million, twenty-two thousand, two hundred twelve".