12990249189 has 12 divisors (see below), whose sum is σ = 19579506336. Its totient is φ = 8283637032.

The previous prime is 12990249163. The next prime is 12990249199. The reversal of 12990249189 is 98194209921.

12990249189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12990249189 - 2⁵ = 12990249157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12990249119) 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 11 ways as a sum of consecutive naturals, for example, 31377207 + ... + 31377620.

It is an arithmetic number, because the mean of its divisors is an integer number (1631625528).

Almost surely, 2^12990249189 is an apocalyptic number.

It is an amenable number.

12990249189 is a deficient number, since it is larger than the sum of its proper divisors (6589257147).

12990249189 is a wasteful number, since it uses less digits than its factorization.

12990249189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62754856 (or 62754853 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 12990249189 in words is "twelve billion, nine hundred ninety million, two hundred forty-nine thousand, one hundred eighty-nine".