12119656599 has 24 divisors (see below), whose sum is σ = 17785892592. Its totient is φ = 7950919680.

The previous prime is 12119656583. The next prime is 12119656657. The reversal of 12119656599 is 99565691121.

It is not a de Polignac number, because 12119656599 - 2⁴ = 12119656583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12119656519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 600919 + ... + 620759.

It is an arithmetic number, because the mean of its divisors is an integer number (741078858).

Almost surely, 2^12119656599 is an apocalyptic number.

12119656599 is a deficient number, since it is larger than the sum of its proper divisors (5666235993).

12119656599 is a wasteful number, since it uses less digits than its factorization.

12119656599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20927 (or 20924 counting only the distinct ones).

The product of its digits is 1312200, while the sum is 54.

The spelling of 12119656599 in words is "twelve billion, one hundred nineteen million, six hundred fifty-six thousand, five hundred ninety-nine".