12331134400 has 84 divisors (see below), whose sum is σ = 32676375592. Its totient is φ = 4553026560.

The previous prime is 12331134373. The next prime is 12331134421. The reversal of 12331134400 is 443113321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275622 + ... + 317221.

Almost surely, 2^12331134400 is an apocalyptic number.

12331134400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12331134400 is an abundant number, since it is smaller than the sum of its proper divisors (20345241192).

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

12331134400 is a wasteful number, since it uses less digits than its factorization.

12331134400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592878 (or 592863 counting only the distinct ones).

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

Adding to 12331134400 its reverse (443113321), we get a palindrome (12774247721).

The spelling of 12331134400 in words is "twelve billion, three hundred thirty-one million, one hundred thirty-four thousand, four hundred".