12444391118 has 8 divisors (see below), whose sum is σ = 18669205512. Its totient is φ = 6221322616.

The previous prime is 12444391079. The next prime is 12444391121. The reversal of 12444391118 is 81119344421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418505 + ... + 447252.

It is an arithmetic number, because the mean of its divisors is an integer number (2333650689).

Almost surely, 2^12444391118 is an apocalyptic number.

12444391118 is a deficient number, since it is larger than the sum of its proper divisors (6224814394).

12444391118 is an equidigital number, since it uses as much as digits as its factorization.

12444391118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872946.

The product of its digits is 27648, while the sum is 38.

The spelling of 12444391118 in words is "twelve billion, four hundred forty-four million, three hundred ninety-one thousand, one hundred eighteen".