12872085113 has 4 divisors (see below), whose sum is σ = 12876801168. Its totient is φ = 12867369060.

The previous prime is 12872085089. The next prime is 12872085119. The reversal of 12872085113 is 31158027821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31158027821 = 20929 ⋅1488749.

It is a cyclic number.

It is not a de Polignac number, because 12872085113 - 2¹² = 12872081017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12872085119) 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 3 ways as a sum of consecutive naturals, for example, 2353931 + ... + 2359392.

It is an arithmetic number, because the mean of its divisors is an integer number (3219200292).

Almost surely, 2^12872085113 is an apocalyptic number.

It is an amenable number.

12872085113 is a deficient number, since it is larger than the sum of its proper divisors (4716055).

12872085113 is an equidigital number, since it uses as much as digits as its factorization.

12872085113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716054.

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 12872085113 in words is "twelve billion, eight hundred seventy-two million, eighty-five thousand, one hundred thirteen".