12313116420 has 48 divisors (see below), whose sum is σ = 37610975808. Its totient is φ = 2984997760.

The previous prime is 12313116377. The next prime is 12313116427. The reversal of 12313116420 is 2461131321.

It is a happy number.

It is a super-2 number, since 2×12313116420² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12313116427) 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, 9327459 + ... + 9328778.

It is an arithmetic number, because the mean of its divisors is an integer number (783561996).

Almost surely, 2^12313116420 is an apocalyptic number.

12313116420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12313116420 is an abundant number, since it is smaller than the sum of its proper divisors (25297859388).

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

12313116420 is a wasteful number, since it uses less digits than its factorization.

12313116420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18656260 (or 18656258 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12313116420 its reverse (2461131321), we get a palindrome (14774247741).

The spelling of 12313116420 in words is "twelve billion, three hundred thirteen million, one hundred sixteen thousand, four hundred twenty".