12313031012012 has 12 divisors (see below), whose sum is σ = 21554984500056. Its totient is φ = 6154464012000.

The previous prime is 12313031011969. The next prime is 12313031012021. The reversal of 12313031012012 is 21021013031321.

It is a happy number.

It is a super-2 number, since 2×12313031012012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512859998 + ... + 512884005.

It is an arithmetic number, because the mean of its divisors is an integer number (1796248708338).

Almost surely, 2^{12313031012012} is an apocalyptic number.

It is an amenable number.

12313031012012 is a deficient number, since it is larger than the sum of its proper divisors (9241953488044).

12313031012012 is a wasteful number, since it uses less digits than its factorization.

12313031012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025747008 (or 1025747006 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12313031012012 its reverse (21021013031321), we get a palindrome (33334044043333).

The spelling of 12313031012012 in words is "twelve trillion, three hundred thirteen billion, thirty-one million, twelve thousand, twelve".