12899392198 has 48 divisors (see below), whose sum is σ = 24719418000. Its totient is φ = 4991945280.

The previous prime is 12899392193. The next prime is 12899392217. The reversal of 12899392198 is 89129399821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12899392193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120468 + ... + 200776.

It is an arithmetic number, because the mean of its divisors is an integer number (514987875).

Almost surely, 2^12899392198 is an apocalyptic number.

12899392198 is a deficient number, since it is larger than the sum of its proper divisors (11820025802).

12899392198 is a wasteful number, since it uses less digits than its factorization.

12899392198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80485 (or 80478 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 61.

The spelling of 12899392198 in words is "twelve billion, eight hundred ninety-nine million, three hundred ninety-two thousand, one hundred ninety-eight".