12011447794928 has 20 divisors (see below), whose sum is σ = 23272305919800. Its totient is φ = 6005691428544.

The previous prime is 12011447794877. The next prime is 12011447794943. The reversal of 12011447794928 is 82949774411021.

It is a happy number.

It is a congruent number.

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, 1176098 + ... + 5040446.

It is an arithmetic number, because the mean of its divisors is an integer number (1163615295990).

Almost surely, 2^{12011447794928} is an apocalyptic number.

It is an amenable number.

12011447794928 is a deficient number, since it is larger than the sum of its proper divisors (11260858124872).

12011447794928 is a wasteful number, since it uses less digits than its factorization.

12011447794928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058624 (or 4058618 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 12011447794928 in words is "twelve trillion, eleven billion, four hundred forty-seven million, seven hundred ninety-four thousand, nine hundred twenty-eight".