12439369347128 has 32 divisors (see below), whose sum is σ = 23969098044000. Its totient is φ = 6047819091072.

The previous prime is 12439369347103. The next prime is 12439369347247. The reversal of 12439369347128 is 82174396393421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12599903 + ... + 13551246.

It is an arithmetic number, because the mean of its divisors is an integer number (749034313875).

Almost surely, 2^{12439369347128} is an apocalyptic number.

It is an amenable number.

12439369347128 is a deficient number, since it is larger than the sum of its proper divisors (11529728696872).

12439369347128 is a wasteful number, since it uses less digits than its factorization.

12439369347128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26152799 (or 26152795 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 62.

The spelling of 12439369347128 in words is "twelve trillion, four hundred thirty-nine billion, three hundred sixty-nine million, three hundred forty-seven thousand, one hundred twenty-eight".