12009996737808 has 20 divisors (see below), whose sum is σ = 31025824906128. Its totient is φ = 4003332245920.

The previous prime is 12009996737779. The next prime is 12009996737821. The reversal of 12009996737808 is 80873769990021.

12009996737808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125104132638 + ... + 125104132733.

Almost surely, 2^{12009996737808} is an apocalyptic number.

It is an amenable number.

12009996737808 is an abundant number, since it is smaller than the sum of its proper divisors (19015828168320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12009996737808 is a wasteful number, since it uses less digits than its factorization.

12009996737808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250208265382 (or 250208265376 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 69.

The spelling of 12009996737808 in words is "twelve trillion, nine billion, nine hundred ninety-six million, seven hundred thirty-seven thousand, eight hundred eight".