12651231724 has 12 divisors (see below), whose sum is σ = 22142679048. Its totient is φ = 6324752000.

The previous prime is 12651231689. The next prime is 12651231727. The reversal of 12651231724 is 42713215621.

It is a self number, because there is not a number n which added to its sum of digits gives 12651231724.

It is not an unprimeable number, because it can be changed into a prime (12651231727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182437 + ... + 242044.

It is an arithmetic number, because the mean of its divisors is an integer number (1845223254).

Almost surely, 2^12651231724 is an apocalyptic number.

It is an amenable number.

12651231724 is a deficient number, since it is larger than the sum of its proper divisors (9491447324).

12651231724 is a wasteful number, since it uses less digits than its factorization.

12651231724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431936 (or 431934 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The spelling of 12651231724 in words is "twelve billion, six hundred fifty-one million, two hundred thirty-one thousand, seven hundred twenty-four".