12398991119 has 4 divisors (see below), whose sum is σ = 12413359296. Its totient is φ = 12384622944.

The previous prime is 12398991113. The next prime is 12398991149. The reversal of 12398991119 is 91119989321.

12398991119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91119989321 = 193 ⋅472124297.

It is a cyclic number.

It is not a de Polignac number, because 12398991119 - 2⁴ = 12398991103 is a prime.

It is a super-2 number, since 2×12398991119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12398991113) 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 3 ways as a sum of consecutive naturals, for example, 7182794 + ... + 7184519.

It is an arithmetic number, because the mean of its divisors is an integer number (3103339824).

Almost surely, 2^12398991119 is an apocalyptic number.

12398991119 is a deficient number, since it is larger than the sum of its proper divisors (14368177).

12398991119 is an equidigital number, since it uses as much as digits as its factorization.

12398991119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14368176.

The product of its digits is 314928, while the sum is 53.

The spelling of 12398991119 in words is "twelve billion, three hundred ninety-eight million, nine hundred ninety-one thousand, one hundred nineteen".