12681699095 has 16 divisors (see below), whose sum is σ = 16737356160. Its totient is φ = 9165690624.

The previous prime is 12681699091. The next prime is 12681699103. The reversal of 12681699095 is 59099618621.

It is a cyclic number.

It is not a de Polignac number, because 12681699095 - 2² = 12681699091 is a prime.

It is a super-2 number, since 2×12681699095² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12681699095.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12681699091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2072510 + ... + 2078619.

It is an arithmetic number, because the mean of its divisors is an integer number (1046084760).

Almost surely, 2^12681699095 is an apocalyptic number.

12681699095 is a deficient number, since it is larger than the sum of its proper divisors (4055657065).

12681699095 is a wasteful number, since it uses less digits than its factorization.

12681699095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151194.

The product of its (nonzero) digits is 2099520, while the sum is 56.

The spelling of 12681699095 in words is "twelve billion, six hundred eighty-one million, six hundred ninety-nine thousand, ninety-five".