12713870217971 has 16 divisors (see below), whose sum is σ = 14137615994880. Its totient is φ = 11354022560160.

The previous prime is 12713870217967. The next prime is 12713870217989. The reversal of 12713870217971 is 17971207831721.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12713870217971 - 2² = 12713870217967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12713870277971) 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, 3159431 + ... + 5950608.

It is an arithmetic number, because the mean of its divisors is an integer number (883600999680).

Almost surely, 2^{12713870217971} is an apocalyptic number.

12713870217971 is a deficient number, since it is larger than the sum of its proper divisors (1423745776909).

12713870217971 is a wasteful number, since it uses less digits than its factorization.

12713870217971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9113546.

The product of its (nonzero) digits is 2074464, while the sum is 56.

The spelling of 12713870217971 in words is "twelve trillion, seven hundred thirteen billion, eight hundred seventy million, two hundred seventeen thousand, nine hundred seventy-one".