12638003612 has 96 divisors (see below), whose sum is σ = 25009145280. Its totient is φ = 5548032000.

The previous prime is 12638003611. The next prime is 12638003617. The reversal of 12638003612 is 21630083621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12638003611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50350487 + ... + 50350737.

It is an arithmetic number, because the mean of its divisors is an integer number (260511930).

Almost surely, 2^12638003612 is an apocalyptic number.

It is an amenable number.

12638003612 is a deficient number, since it is larger than the sum of its proper divisors (12371141668).

12638003612 is a wasteful number, since it uses less digits than its factorization.

12638003612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 12638003612 in words is "twelve billion, six hundred thirty-eight million, three thousand, six hundred twelve".