12193864695 has 12 divisors (see below), whose sum is σ = 21136032216. Its totient is φ = 6503394480.

The previous prime is 12193864679. The next prime is 12193864717. The reversal of 12193864695 is 59646839121.

12193864695 is a `hidden beast` number, since 1 + 219 + 386 + 46 + 9 + 5 = 666.

It is not a de Polignac number, because 12193864695 - 2⁴ = 12193864679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135487341 + ... + 135487430.

It is an arithmetic number, because the mean of its divisors is an integer number (1761336018).

Almost surely, 2^12193864695 is an apocalyptic number.

12193864695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12193864695 is a deficient number, since it is larger than the sum of its proper divisors (8942167521).

12193864695 is a wasteful number, since it uses less digits than its factorization.

12193864695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270974782 (or 270974779 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 12193864695 in words is "twelve billion, one hundred ninety-three million, eight hundred sixty-four thousand, six hundred ninety-five".