12111919192 has 16 divisors (see below), whose sum is σ = 22934700000. Its totient is φ = 5995999200.

The previous prime is 12111919159. The next prime is 12111919213. The reversal of 12111919192 is 29191911121.

12111919192 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 3 ways as a sum of consecutive naturals, for example, 7494192 + ... + 7495807.

It is an arithmetic number, because the mean of its divisors is an integer number (1433418750).

Almost surely, 2^12111919192 is an apocalyptic number.

It is an amenable number.

12111919192 is a deficient number, since it is larger than the sum of its proper divisors (10822780808).

12111919192 is a wasteful number, since it uses less digits than its factorization.

12111919192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14990106 (or 14990102 counting only the distinct ones).

The product of its digits is 2916, while the sum is 37.

The spelling of 12111919192 in words is "twelve billion, one hundred eleven million, nine hundred nineteen thousand, one hundred ninety-two".