313123122212 has 24 divisors (see below), whose sum is σ = 559358841216. Its totient is φ = 153333325728.

The previous prime is 313123122167. The next prime is 313123122223. The reversal of 313123122212 is 212221321313.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3330428 + ... + 3423155.

It is an arithmetic number, because the mean of its divisors is an integer number (23306618384).

Almost surely, 2^313123122212 is an apocalyptic number.

It is an amenable number.

313123122212 is a deficient number, since it is larger than the sum of its proper divisors (246235719004).

313123122212 is a wasteful number, since it uses less digits than its factorization.

313123122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6753827 (or 6753825 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 313123122212 its reverse (212221321313), we get a palindrome (525344443525).

The spelling of 313123122212 in words is "three hundred thirteen billion, one hundred twenty-three million, one hundred twenty-two thousand, two hundred twelve".