12313122132 has 48 divisors (see below), whose sum is σ = 29450981952. Its totient is φ = 4001598720.

The previous prime is 12313122109. The next prime is 12313122139. The reversal of 12313122132 is 23122131321.

It is a super-2 number, since 2×12313122132² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12313122099 and 12313122108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313122139) 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, 812658 + ... + 827670.

It is an arithmetic number, because the mean of its divisors is an integer number (613562124).

Almost surely, 2^12313122132 is an apocalyptic number.

12313122132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12313122132 is an abundant number, since it is smaller than the sum of its proper divisors (17137859820).

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

12313122132 is a wasteful number, since it uses less digits than its factorization.

12313122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16728 (or 16726 counting only the distinct ones).

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

Adding to 12313122132 its reverse (23122131321), we get a palindrome (35435253453).

The spelling of 12313122132 in words is "twelve billion, three hundred thirteen million, one hundred twenty-two thousand, one hundred thirty-two".