12597850005 has 16 divisors (see below), whose sum is σ = 21707064960. Its totient is φ = 6202018368.

The previous prime is 12597849989. The next prime is 12597850019. The reversal of 12597850005 is 50005879521.

It is not a de Polignac number, because 12597850005 - 2⁴ = 12597849989 is a prime.

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, 32301985 + ... + 32302374.

It is an arithmetic number, because the mean of its divisors is an integer number (1356691560).

Almost surely, 2^12597850005 is an apocalyptic number.

12597850005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12597850005 is a deficient number, since it is larger than the sum of its proper divisors (9109214955).

12597850005 is a wasteful number, since it uses less digits than its factorization.

12597850005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64604380.

The product of its (nonzero) digits is 126000, while the sum is 42.

The spelling of 12597850005 in words is "twelve billion, five hundred ninety-seven million, eight hundred fifty thousand, five".