12669495194 has 8 divisors (see below), whose sum is σ = 19014906720. Its totient is φ = 6331192956.

The previous prime is 12669495161. The next prime is 12669495197. The reversal of 12669495194 is 49159496621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12669495194² (a number of 21 digits) contains 22 as substring.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1772864 + ... + 1779995.

It is an arithmetic number, because the mean of its divisors is an integer number (2376863340).

Almost surely, 2^12669495194 is an apocalyptic number.

12669495194 is a deficient number, since it is larger than the sum of its proper divisors (6345411526).

12669495194 is a wasteful number, since it uses less digits than its factorization.

12669495194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554644.

The product of its digits is 4199040, while the sum is 56.

The spelling of 12669495194 in words is "twelve billion, six hundred sixty-nine million, four hundred ninety-five thousand, one hundred ninety-four".