12943127864 has 64 divisors (see below), whose sum is σ = 26117748000. Its totient is φ = 5994846720.

The previous prime is 12943127863. The next prime is 12943127887. The reversal of 12943127864 is 46872134921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12943127863) 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, 1600022 + ... + 1608090.

Almost surely, 2^12943127864 is an apocalyptic number.

It is an amenable number.

12943127864 is an abundant number, since it is smaller than the sum of its proper divisors (13174620136).

12943127864 is a wasteful number, since it uses less digits than its factorization.

12943127864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8328 (or 8324 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The spelling of 12943127864 in words is "twelve billion, nine hundred forty-three million, one hundred twenty-seven thousand, eight hundred sixty-four".