12312133122000 has 80 divisors (see below), whose sum is σ = 39694317204672. Its totient is φ = 3283235497600.

The previous prime is 12312133121993. The next prime is 12312133122017. The reversal of 12312133122000 is 22133121321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026005094 + ... + 1026017093.

Almost surely, 2^{12312133122000} is an apocalyptic number.

12312133122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312133122000 is an abundant number, since it is smaller than the sum of its proper divisors (27382184082672).

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

12312133122000 is a wasteful number, since it uses less digits than its factorization.

12312133122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052022213 (or 2052022197 counting only the distinct ones).

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

Adding to 12312133122000 its reverse (22133121321), we get a palindrome (12334266243321).

The spelling of 12312133122000 in words is "twelve trillion, three hundred twelve billion, one hundred thirty-three million, one hundred twenty-two thousand".