12147597974 has 16 divisors (see below), whose sum is σ = 18313152000. Its totient is φ = 6043290984.

The previous prime is 12147597941. The next prime is 12147598007. The reversal of 12147597974 is 47979574121.

It is an interprime number because it is at equal distance from previous prime (12147597941) and next prime (12147598007).

It is a Curzon number.

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, 303377 + ... + 341075.

It is an arithmetic number, because the mean of its divisors is an integer number (1144572000).

Almost surely, 2^12147597974 is an apocalyptic number.

12147597974 is a deficient number, since it is larger than the sum of its proper divisors (6165554026).

12147597974 is a wasteful number, since it uses less digits than its factorization.

12147597974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38507.

The product of its digits is 4445280, while the sum is 56.

The spelling of 12147597974 in words is "twelve billion, one hundred forty-seven million, five hundred ninety-seven thousand, nine hundred seventy-four".