12669495192 has 24 divisors (see below), whose sum is σ = 34313216340. Its totient is φ = 4223165040.

The previous prime is 12669495161. The next prime is 12669495197. The reversal of 12669495192 is 29159496621.

12669495192 is a `hidden beast` number, since 1 + 2 + 6 + 69 + 495 + 1 + 92 = 666.

12669495192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×12669495192² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12669495197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87982534 + ... + 87982677.

Almost surely, 2^12669495192 is an apocalyptic number.

12669495192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12669495192 is an abundant number, since it is smaller than the sum of its proper divisors (21643721148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12669495192 is a wasteful number, since it uses less digits than its factorization.

12669495192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175965223 (or 175965216 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The spelling of 12669495192 in words is "twelve billion, six hundred sixty-nine million, four hundred ninety-five thousand, one hundred ninety-two".