12892185009 has 48 divisors (see below), whose sum is σ = 21217023360. Its totient is φ = 7467102720.

The previous prime is 12892185001. The next prime is 12892185011. The reversal of 12892185009 is 90058129821.

12892185009 is a `hidden beast` number, since 128 + 9 + 2 + 18 + 500 + 9 = 666.

It is not a de Polignac number, because 12892185009 - 2³ = 12892185001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12892185001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3889737 + ... + 3893049.

It is an arithmetic number, because the mean of its divisors is an integer number (442021320).

Almost surely, 2^12892185009 is an apocalyptic number.

It is an amenable number.

12892185009 is a deficient number, since it is larger than the sum of its proper divisors (8324838351).

12892185009 is a wasteful number, since it uses less digits than its factorization.

12892185009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062 (or 5059 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The spelling of 12892185009 in words is "twelve billion, eight hundred ninety-two million, one hundred eighty-five thousand, nine".