12387835042 has 96 divisors (see below), whose sum is σ = 22348085760. Its totient is φ = 5126457600.

The previous prime is 12387835027. The next prime is 12387835069. The reversal of 12387835042 is 24053878321.

It is a self number, because there is not a number n which added to its sum of digits gives 12387835042.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33211168 + ... + 33211540.

It is an arithmetic number, because the mean of its divisors is an integer number (232792560).

Almost surely, 2^12387835042 is an apocalyptic number.

12387835042 is a deficient number, since it is larger than the sum of its proper divisors (9960250718).

12387835042 is a wasteful number, since it uses less digits than its factorization.

12387835042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 12387835042 in words is "twelve billion, three hundred eighty-seven million, eight hundred thirty-five thousand, forty-two".