12718645712 has 20 divisors (see below), whose sum is σ = 24733315776. Its totient is φ = 6335854560.

The previous prime is 12718645703. The next prime is 12718645747. The reversal of 12718645712 is 21754681721.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462298 + ... + 1470969.

Almost surely, 2^12718645712 is an apocalyptic number.

It is an amenable number.

12718645712 is a deficient number, since it is larger than the sum of its proper divisors (12014670064).

12718645712 is a wasteful number, since it uses less digits than its factorization.

12718645712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933546 (or 2933540 counting only the distinct ones).

The product of its digits is 188160, while the sum is 44.

The spelling of 12718645712 in words is "twelve billion, seven hundred eighteen million, six hundred forty-five thousand, seven hundred twelve".