12312118582 has 8 divisors (see below), whose sum is σ = 18510830856. Its totient is φ = 6141841632.

The previous prime is 12312118571. The next prime is 12312118583. The reversal of 12312118582 is 28581121321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312118583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7107748 + ... + 7109479.

It is an arithmetic number, because the mean of its divisors is an integer number (2313853857).

Almost surely, 2^12312118582 is an apocalyptic number.

12312118582 is a deficient number, since it is larger than the sum of its proper divisors (6198712274).

12312118582 is a wasteful number, since it uses less digits than its factorization.

12312118582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14217662.

The product of its digits is 7680, while the sum is 34.

The spelling of 12312118582 in words is "twelve billion, three hundred twelve million, one hundred eighteen thousand, five hundred eighty-two".