12313013321021 has 16 divisors (see below), whose sum is σ = 14397016854528. Its totient is φ = 10311912748800.

The previous prime is 12313013320991. The next prime is 12313013321027. The reversal of 12313013321021 is 12012331031321.

It is a cyclic number.

It is not a de Polignac number, because 12313013321021 - 2¹⁸ = 12313013058877 is a prime.

It is a super-2 number, since 2×12313013321021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313013321027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68766845 + ... + 68945666.

It is an arithmetic number, because the mean of its divisors is an integer number (899813553408).

Almost surely, 2^{12313013321021} is an apocalyptic number.

It is an amenable number.

12313013321021 is a deficient number, since it is larger than the sum of its proper divisors (2084003533507).

12313013321021 is a wasteful number, since it uses less digits than its factorization.

12313013321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137712812.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12313013321021 its reverse (12012331031321), we get a palindrome (24325344352342).

The spelling of 12313013321021 in words is "twelve trillion, three hundred thirteen billion, thirteen million, three hundred twenty-one thousand, twenty-one".