12696165435005 has 16 divisors (see below), whose sum is σ = 16417626247344. Its totient is φ = 9369759006720.

The previous prime is 12696165434983. The next prime is 12696165435013. The reversal of 12696165435005 is 50053456169621.

It can be written as a sum of positive squares in 8 ways, for example, as 1318186423129 + 11377979011876 = 1148123^2 + 3373126^2 .

It is not a de Polignac number, because 12696165435005 - 2²⁰ = 12696164386429 is a prime.

It is a super-2 number, since 2×12696165435005² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61050116 + ... + 61257725.

It is an arithmetic number, because the mean of its divisors is an integer number (1026101640459).

Almost surely, 2^{12696165435005} is an apocalyptic number.

It is an amenable number.

12696165435005 is a deficient number, since it is larger than the sum of its proper divisors (3721460812339).

12696165435005 is a wasteful number, since it uses less digits than its factorization.

12696165435005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122309456.

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 12696165435005 in words is "twelve trillion, six hundred ninety-six billion, one hundred sixty-five million, four hundred thirty-five thousand, five".