12313021202320 has 80 divisors (see below), whose sum is σ = 28974521886912. Its totient is φ = 4865560501760.

The previous prime is 12313021202267. The next prime is 12313021202327. The reversal of 12313021202320 is 2320212031321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12313021202320² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12313021202291 and 12313021202300.

It is not an unprimeable number, because it can be changed into a prime (12313021202327) 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, 124802610 + ... + 124901230.

Almost surely, 2^{12313021202320} is an apocalyptic number.

12313021202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12313021202320 is an abundant number, since it is smaller than the sum of its proper divisors (16661500684592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12313021202320 is a wasteful number, since it uses less digits than its factorization.

12313021202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117520 (or 117514 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12313021202320 its reverse (2320212031321), we get a palindrome (14633233233641).

The spelling of 12313021202320 in words is "twelve trillion, three hundred thirteen billion, twenty-one million, two hundred two thousand, three hundred twenty".