12246938889 has 16 divisors (see below), whose sum is σ = 17194735680. Its totient is φ = 7732186560.

The previous prime is 12246938861. The next prime is 12246938933. The reversal of 12246938889 is 98883964221.

It is not a de Polignac number, because 12246938889 - 2⁷ = 12246938761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12246938819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132219 + ... + 204879.

It is an arithmetic number, because the mean of its divisors is an integer number (1074670980).

Almost surely, 2^12246938889 is an apocalyptic number.

12246938889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12246938889 is a deficient number, since it is larger than the sum of its proper divisors (4947796791).

12246938889 is a wasteful number, since it uses less digits than its factorization.

12246938889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75640.

The product of its digits is 11943936, while the sum is 60.

The spelling of 12246938889 in words is "twelve billion, two hundred forty-six million, nine hundred thirty-eight thousand, eight hundred eighty-nine".