12442815912 has 32 divisors (see below), whose sum is σ = 32744253600. Its totient is φ = 3929310144.

The previous prime is 12442815907. The next prime is 12442815923. The reversal of 12442815912 is 21951824421.

12442815912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13642983 + ... + 13643894.

It is an arithmetic number, because the mean of its divisors is an integer number (1023257925).

Almost surely, 2^12442815912 is an apocalyptic number.

12442815912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12442815912 is an abundant number, since it is smaller than the sum of its proper divisors (20301437688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12442815912 is a wasteful number, since it uses less digits than its factorization.

12442815912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27286905 (or 27286901 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The spelling of 12442815912 in words is "twelve billion, four hundred forty-two million, eight hundred fifteen thousand, nine hundred twelve".