12010021320131 has 16 divisors (see below), whose sum is σ = 12274884550656. Its totient is φ = 11748120300000.

The previous prime is 12010021320127. The next prime is 12010021320169. The reversal of 12010021320131 is 13102312001021.

It is a cyclic number.

It is not a de Polignac number, because 12010021320131 - 2² = 12010021320127 is a prime.

It is a super-2 number, since 2×12010021320131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010021320191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4454606 + ... + 6622956.

It is an arithmetic number, because the mean of its divisors is an integer number (767180284416).

Almost surely, 2^{12010021320131} is an apocalyptic number.

12010021320131 is a deficient number, since it is larger than the sum of its proper divisors (264863230525).

12010021320131 is a wasteful number, since it uses less digits than its factorization.

12010021320131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169034.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12010021320131 its reverse (13102312001021), we get a palindrome (25112333321152).

The spelling of 12010021320131 in words is "twelve trillion, ten billion, twenty-one million, three hundred twenty thousand, one hundred thirty-one".