12718305571 has 4 divisors (see below), whose sum is σ = 12718569600. Its totient is φ = 12718041544.

The previous prime is 12718305487. The next prime is 12718305599. The reversal of 12718305571 is 17550381721.

12718305571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17550381721 = 139 ⋅126261739.

It is a cyclic number.

It is not a de Polignac number, because 12718305571 - 2²³ = 12709916963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12718305871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36931 + ... + 163708.

It is an arithmetic number, because the mean of its divisors is an integer number (3179642400).

Almost surely, 2^12718305571 is an apocalyptic number.

12718305571 is a deficient number, since it is larger than the sum of its proper divisors (264029).

12718305571 is an equidigital number, since it uses as much as digits as its factorization.

12718305571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264028.

The product of its (nonzero) digits is 58800, while the sum is 40.

The spelling of 12718305571 in words is "twelve billion, seven hundred eighteen million, three hundred five thousand, five hundred seventy-one".