12643231724 has 6 divisors (see below), whose sum is σ = 22125655524. Its totient is φ = 6321615860.

The previous prime is 12643231669. The next prime is 12643231739. The reversal of 12643231724 is 42713234621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580403962 + ... + 1580403969.

It is an arithmetic number, because the mean of its divisors is an integer number (3687609254).

Almost surely, 2^12643231724 is an apocalyptic number.

It is an amenable number.

12643231724 is a deficient number, since it is larger than the sum of its proper divisors (9482423800).

12643231724 is a wasteful number, since it uses less digits than its factorization.

12643231724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160807935 (or 3160807933 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The spelling of 12643231724 in words is "twelve billion, six hundred forty-three million, two hundred thirty-one thousand, seven hundred twenty-four".