12131432433985 has 16 divisors (see below), whose sum is σ = 14780526917760. Its totient is φ = 9557028673920.

The previous prime is 12131432433961. The next prime is 12131432434049. The reversal of 12131432433985 is 58933423413121.

It is not a de Polignac number, because 12131432433985 - 2¹⁵ = 12131432401217 is a prime.

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, 26106295 + ... + 26566924.

It is an arithmetic number, because the mean of its divisors is an integer number (923782932360).

Almost surely, 2^{12131432433985} is an apocalyptic number.

It is an amenable number.

12131432433985 is a deficient number, since it is larger than the sum of its proper divisors (2649094483775).

12131432433985 is an equidigital number, since it uses as much as digits as its factorization.

12131432433985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52673928.

The product of its digits is 1866240, while the sum is 49.

The spelling of 12131432433985 in words is "twelve trillion, one hundred thirty-one billion, four hundred thirty-two million, four hundred thirty-three thousand, nine hundred eighty-five".