12909492196 has 12 divisors (see below), whose sum is σ = 22928800048. Its totient is φ = 6358406472.

The previous prime is 12909492191. The next prime is 12909492241. The reversal of 12909492196 is 69129490921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12909492191) 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, 24084606 + ... + 24085141.

Almost surely, 2^12909492196 is an apocalyptic number.

It is an amenable number.

12909492196 is a deficient number, since it is larger than the sum of its proper divisors (10019307852).

12909492196 is a wasteful number, since it uses less digits than its factorization.

12909492196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48169818 (or 48169816 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 52.

The spelling of 12909492196 in words is "twelve billion, nine hundred nine million, four hundred ninety-two thousand, one hundred ninety-six".