12825887187 has 32 divisors (see below), whose sum is σ = 17979365376. Its totient is φ = 8117366400.

The previous prime is 12825887171. The next prime is 12825887227. The reversal of 12825887187 is 78178852821.

It is not a de Polignac number, because 12825887187 - 2⁴ = 12825887171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12825887887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5477637 + ... + 5479977.

It is an arithmetic number, because the mean of its divisors is an integer number (561855168).

Almost surely, 2^12825887187 is an apocalyptic number.

12825887187 is a deficient number, since it is larger than the sum of its proper divisors (5153478189).

12825887187 is a wasteful number, since it uses less digits than its factorization.

12825887187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931.

The product of its digits is 4014080, while the sum is 57.

The spelling of 12825887187 in words is "twelve billion, eight hundred twenty-five million, eight hundred eighty-seven thousand, one hundred eighty-seven".