12872332461 has 16 divisors (see below), whose sum is σ = 17915834880. Its totient is φ = 8211413760.

The previous prime is 12872332393. The next prime is 12872332471. The reversal of 12872332461 is 16423327821.

It is not a de Polignac number, because 12872332461 - 2²⁶ = 12805223597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12872332471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769320 + ... + 785873.

It is an arithmetic number, because the mean of its divisors is an integer number (1119739680).

Almost surely, 2^12872332461 is an apocalyptic number.

It is an amenable number.

12872332461 is a deficient number, since it is larger than the sum of its proper divisors (5043502419).

12872332461 is a wasteful number, since it uses less digits than its factorization.

12872332461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555316.

The product of its digits is 96768, while the sum is 39.

The spelling of 12872332461 in words is "twelve billion, eight hundred seventy-two million, three hundred thirty-two thousand, four hundred sixty-one".