12989101199 has 4 divisors (see below), whose sum is σ = 13027644864. Its totient is φ = 12950557536.

The previous prime is 12989101187. The next prime is 12989101201. The reversal of 12989101199 is 99110198921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12989101199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12989101129) 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, 19271327 + ... + 19272000.

It is an arithmetic number, because the mean of its divisors is an integer number (3256911216).

Almost surely, 2^12989101199 is an apocalyptic number.

12989101199 is a deficient number, since it is larger than the sum of its proper divisors (38543665).

12989101199 is an equidigital number, since it uses as much as digits as its factorization.

12989101199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38543664.

The product of its (nonzero) digits is 104976, while the sum is 50.

The spelling of 12989101199 in words is "twelve billion, nine hundred eighty-nine million, one hundred one thousand, one hundred ninety-nine".