12712847251867 has 12 divisors (see below), whose sum is σ = 14797306857216. Its totient is φ = 10890173694960.

The previous prime is 12712847251861. The next prime is 12712847251933. The reversal of 12712847251867 is 76815274821721.

It is a happy number.

It is not a de Polignac number, because 12712847251867 - 2²³ = 12712838863259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12712847251861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77923884 + ... + 78086857.

It is an arithmetic number, because the mean of its divisors is an integer number (1233108904768).

Almost surely, 2^{12712847251867} is an apocalyptic number.

12712847251867 is a deficient number, since it is larger than the sum of its proper divisors (2084459605349).

12712847251867 is a wasteful number, since it uses less digits than its factorization.

12712847251867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156012418 (or 156012411 counting only the distinct ones).

The product of its digits is 21073920, while the sum is 61.

The spelling of 12712847251867 in words is "twelve trillion, seven hundred twelve billion, eight hundred forty-seven million, two hundred fifty-one thousand, eight hundred sixty-seven".