12718297768 has 32 divisors (see below), whose sum is σ = 26911764000. Its totient is φ = 5581696960.

The previous prime is 12718297763. The next prime is 12718297783. The reversal of 12718297768 is 86779281721.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (12718297763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2489278 + ... + 2494381.

It is an arithmetic number, because the mean of its divisors is an integer number (840992625).

Almost surely, 2^12718297768 is an apocalyptic number.

It is an amenable number.

12718297768 is an abundant number, since it is smaller than the sum of its proper divisors (14193466232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12718297768 is a wasteful number, since it uses less digits than its factorization.

12718297768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983705 (or 4983701 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 58.

The spelling of 12718297768 in words is "twelve billion, seven hundred eighteen million, two hundred ninety-seven thousand, seven hundred sixty-eight".