12138332792 has 64 divisors (see below), whose sum is σ = 24274404000. Its totient is φ = 5670567936.

The previous prime is 12138332779. The next prime is 12138332807. The reversal of 12138332792 is 29723383121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15784184 + ... + 15784952.

Almost surely, 2^12138332792 is an apocalyptic number.

It is an amenable number.

12138332792 is a deficient number, since it is larger than the sum of its proper divisors (12136071208).

12138332792 is a wasteful number, since it uses less digits than its factorization.

12138332792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1484 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The spelling of 12138332792 in words is "twelve billion, one hundred thirty-eight million, three hundred thirty-two thousand, seven hundred ninety-two".