12321132131320 has 32 divisors (see below), whose sum is σ = 27724574880720. Its totient is φ = 4928092392960.

The previous prime is 12321132131311. The next prime is 12321132131353. The reversal of 12321132131320 is 2313123112321.

It is a super-2 number, since 2×12321132131320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10710282 + ... + 11804761.

Almost surely, 2^{12321132131320} is an apocalyptic number.

12321132131320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12321132131320 is an abundant number, since it is smaller than the sum of its proper divisors (15403442749400).

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

12321132131320 is a wasteful number, since it uses less digits than its factorization.

12321132131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22528735 (or 22528731 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12321132131320 its reverse (2313123112321), we get a palindrome (14634255243641).

The spelling of 12321132131320 in words is "twelve trillion, three hundred twenty-one billion, one hundred thirty-two million, one hundred thirty-one thousand, three hundred twenty".