12002131323320 has 64 divisors (see below), whose sum is σ = 28442834640000. Its totient is φ = 4545498619008.

The previous prime is 12002131323239. The next prime is 12002131323337. The reversal of 12002131323320 is 2332313120021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3356282 + ... + 5938761.

It is an arithmetic number, because the mean of its divisors is an integer number (444419291250).

Almost surely, 2^{12002131323320} is an apocalyptic number.

12002131323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002131323320 is an abundant number, since it is smaller than the sum of its proper divisors (16440703316680).

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

12002131323320 is a wasteful number, since it uses less digits than its factorization.

12002131323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9296772 (or 9296768 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12002131323320 its reverse (2332313120021), we get a palindrome (14334444443341).

The spelling of 12002131323320 in words is "twelve trillion, two billion, one hundred thirty-one million, three hundred twenty-three thousand, three hundred twenty".