12696192816655 has 8 divisors (see below), whose sum is σ = 15235472750112. Its totient is φ = 10156926673248.

The previous prime is 12696192816631. The next prime is 12696192816667. The reversal of 12696192816655 is 55661829169621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12696192816655 - 2³⁵ = 12661833078287 is a prime.

It is a super-2 number, since 2×12696192816655² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300459 + ... + 5204188.

It is an arithmetic number, because the mean of its divisors is an integer number (1904434093764).

Almost surely, 2^{12696192816655} is an apocalyptic number.

12696192816655 is a deficient number, since it is larger than the sum of its proper divisors (2539279933457).

12696192816655 is an equidigital number, since it uses as much as digits as its factorization.

12696192816655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895025.

The product of its digits is 83980800, while the sum is 67.

The spelling of 12696192816655 in words is "twelve trillion, six hundred ninety-six billion, one hundred ninety-two million, eight hundred sixteen thousand, six hundred fifty-five".