11922791012 has 12 divisors (see below), whose sum is σ = 22761692016. Its totient is φ = 5419450440.

The previous prime is 11922791011. The next prime is 11922791017. The reversal of 11922791012 is 21019722911.

11922791012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11922791011) by changing a digit.

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, 135486218 + ... + 135486305.

It is an arithmetic number, because the mean of its divisors is an integer number (1896807668).

Almost surely, 2^11922791012 is an apocalyptic number.

It is an amenable number.

11922791012 is a deficient number, since it is larger than the sum of its proper divisors (10838901004).

11922791012 is a wasteful number, since it uses less digits than its factorization.

11922791012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270972538 (or 270972536 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 11922791012 in words is "eleven billion, nine hundred twenty-two million, seven hundred ninety-one thousand, twelve".