12111435984 has 40 divisors (see below), whose sum is σ = 31818186720. Its totient is φ = 3968718208.

The previous prime is 12111435929. The next prime is 12111436003. The reversal of 12111435984 is 48953411121.

It is a happy number.

12111435984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2135487 + ... + 2141150.

It is an arithmetic number, because the mean of its divisors is an integer number (795454668).

Almost surely, 2^12111435984 is an apocalyptic number.

It is an amenable number.

12111435984 is an abundant number, since it is smaller than the sum of its proper divisors (19706750736).

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

12111435984 is a wasteful number, since it uses less digits than its factorization.

12111435984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276707 (or 4276701 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The spelling of 12111435984 in words is "twelve billion, one hundred eleven million, four hundred thirty-five thousand, nine hundred eighty-four".