12387424732 has 24 divisors (see below), whose sum is σ = 22755995136. Its totient is φ = 5888937648.

The previous prime is 12387424681. The next prime is 12387424739. The reversal of 12387424732 is 23742478321.

12387424732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12387424739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387768 + ... + 418495.

It is an arithmetic number, because the mean of its divisors is an integer number (948166464).

Almost surely, 2^12387424732 is an apocalyptic number.

It is an amenable number.

12387424732 is a deficient number, since it is larger than the sum of its proper divisors (10368570404).

12387424732 is a wasteful number, since it uses less digits than its factorization.

12387424732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806457 (or 806455 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The spelling of 12387424732 in words is "twelve billion, three hundred eighty-seven million, four hundred twenty-four thousand, seven hundred thirty-two".