12750012879 has 8 divisors (see below), whose sum is σ = 17204836992. Its totient is φ = 8397598680.

The previous prime is 12750012853. The next prime is 12750012887. The reversal of 12750012879 is 97821005721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12750012879 - 2⁸ = 12750012623 is a prime.

It is a super-4 number, since 4×12750012879⁴ (a number of 42 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12750012879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12750012839) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25602187 + ... + 25602684.

It is an arithmetic number, because the mean of its divisors is an integer number (2150604624).

Almost surely, 2^12750012879 is an apocalyptic number.

12750012879 is a deficient number, since it is larger than the sum of its proper divisors (4454824113).

12750012879 is an equidigital number, since it uses as much as digits as its factorization.

12750012879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51204957.

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 12750012879 in words is "twelve billion, seven hundred fifty million, twelve thousand, eight hundred seventy-nine".