12697122605 has 16 divisors (see below), whose sum is σ = 16289455104. Its totient is φ = 9467362560.

The previous prime is 12697122593. The next prime is 12697122619. The reversal of 12697122605 is 50622179621.

It is not a de Polignac number, because 12697122605 - 2⁶ = 12697122541 is a prime.

It is a super-2 number, since 2×12697122605² (a number of 21 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 15 ways as a sum of consecutive naturals, for example, 716381 + ... + 733890.

It is an arithmetic number, because the mean of its divisors is an integer number (1018090944).

Almost surely, 2^12697122605 is an apocalyptic number.

It is an amenable number.

12697122605 is a deficient number, since it is larger than the sum of its proper divisors (3592332499).

12697122605 is a wasteful number, since it uses less digits than its factorization.

12697122605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450396.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 12697122605 in words is "twelve billion, six hundred ninety-seven million, one hundred twenty-two thousand, six hundred five".