12331221133200 has 60 divisors (see below), whose sum is σ = 39501011700528. Its totient is φ = 3288325635200.

The previous prime is 12331221133181. The next prime is 12331221133241. The reversal of 12331221133200 is 233112213321.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 5138007606 + ... + 5138010005.

Almost surely, 2^{12331221133200} is an apocalyptic number.

12331221133200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12331221133200 is an abundant number, since it is smaller than the sum of its proper divisors (27169790567328).

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

12331221133200 is a wasteful number, since it uses less digits than its factorization.

12331221133200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10276017632 (or 10276017621 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12331221133200 its reverse (233112213321), we get a palindrome (12564333346521).

The spelling of 12331221133200 in words is "twelve trillion, three hundred thirty-one billion, two hundred twenty-one million, one hundred thirty-three thousand, two hundred".