12146699695679 has 32 divisors (see below), whose sum is σ = 12969534081024. Its totient is φ = 11349404478720.

The previous prime is 12146699695649. The next prime is 12146699695751. The reversal of 12146699695679 is 97659699664121.

It is not a de Polignac number, because 12146699695679 - 2¹² = 12146699691583 is a prime.

It is a super-2 number, since 2×12146699695679² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12146699695619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1329974597 + ... + 1329983729.

It is an arithmetic number, because the mean of its divisors is an integer number (405297940032).

Almost surely, 2^{12146699695679} is an apocalyptic number.

12146699695679 is a deficient number, since it is larger than the sum of its proper divisors (822834385345).

12146699695679 is a wasteful number, since it uses less digits than its factorization.

12146699695679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11447.

The product of its digits is 2380855680, while the sum is 80.

The spelling of 12146699695679 in words is "twelve trillion, one hundred forty-six billion, six hundred ninety-nine million, six hundred ninety-five thousand, six hundred seventy-nine".