12385700872 has 16 divisors (see below), whose sum is σ = 23282894700. Its totient is φ = 6176928960.

The previous prime is 12385700851. The next prime is 12385700881. The reversal of 12385700872 is 27800758321.

It can be written as a sum of positive squares in 2 ways, for example, as 11975800356 + 409900516 = 109434^2 + 20246^2 .

It is a super-3 number, since 3×12385700872³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1986879 + ... + 1993102.

Almost surely, 2^12385700872 is an apocalyptic number.

It is an amenable number.

12385700872 is a deficient number, since it is larger than the sum of its proper divisors (10897193828).

12385700872 is a wasteful number, since it uses less digits than its factorization.

12385700872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980376 (or 3980372 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 12385700872 in words is "twelve billion, three hundred eighty-five million, seven hundred thousand, eight hundred seventy-two".