12313103220021 has 8 divisors (see below), whose sum is σ = 17383204545984. Its totient is φ = 7725868687040.

The previous prime is 12313103220013. The next prime is 12313103220037. The reversal of 12313103220021 is 12002230131321.

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

It is a cyclic number.

It is not a de Polignac number, because 12313103220021 - 2³ = 12313103220013 is a prime.

It is a super-2 number, since 2×12313103220021² (a number of 27 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 12313103220021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313103220521) 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, 120716698185 + ... + 120716698286.

It is an arithmetic number, because the mean of its divisors is an integer number (2172900568248).

Almost surely, 2^{12313103220021} is an apocalyptic number.

It is an amenable number.

12313103220021 is a deficient number, since it is larger than the sum of its proper divisors (5070101325963).

12313103220021 is a wasteful number, since it uses less digits than its factorization.

12313103220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241433396491.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12313103220021 its reverse (12002230131321), we get a palindrome (24315333351342).

The spelling of 12313103220021 in words is "twelve trillion, three hundred thirteen billion, one hundred three million, two hundred twenty thousand, twenty-one".