12859589192 has 12 divisors (see below), whose sum is σ = 24112331145. Its totient is φ = 6429634224.

The previous prime is 12859589129. The next prime is 12859589287. The reversal of 12859589192 is 29198595821.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 9487928836 + 3371660356 = 97406^2 + 58066^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=80186.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 300698 + ... + 340790.

Almost surely, 2^12859589192 is an apocalyptic number.

It is an amenable number.

12859589192 is a deficient number, since it is larger than the sum of its proper divisors (11252741953).

12859589192 is an frugal number, since it uses more digits than its factorization.

12859589192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80192 (or 40095 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 59.

The spelling of 12859589192 in words is "twelve billion, eight hundred fifty-nine million, five hundred eighty-nine thousand, one hundred ninety-two".