12313013013021 has 8 divisors (see below), whose sum is σ = 18762686496064. Its totient is φ = 7036007436000.

The previous prime is 12313013013017. The next prime is 12313013013029. The reversal of 12313013013021 is 12031031031321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12313013013021 - 2² = 12313013013017 is a prime.

It is a super-2 number, since 2×12313013013021² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 586333953001 = 12313013013021 / (1 + 2 + 3 + 1 + 3 + 0 + 1 + 3 + 0 + 1 + 3 + 0 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313013013029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293166976480 + ... + 293166976521.

It is an arithmetic number, because the mean of its divisors is an integer number (2345335812008).

Almost surely, 2^{12313013013021} is an apocalyptic number.

It is an amenable number.

12313013013021 is a deficient number, since it is larger than the sum of its proper divisors (6449673483043).

12313013013021 is an equidigital number, since it uses as much as digits as its factorization.

12313013013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586333953011.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 12313013013021 its reverse (12031031031321), we get a palindrome (24344044044342).

The spelling of 12313013013021 in words is "twelve trillion, three hundred thirteen billion, thirteen million, thirteen thousand, twenty-one".