12318847612 has 24 divisors (see below), whose sum is σ = 21631928976. Its totient is φ = 6138334848.

The previous prime is 12318847591. The next prime is 12318847637. The reversal of 12318847612 is 21674881321.

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, 1466368 + ... + 1474744.

It is an arithmetic number, because the mean of its divisors is an integer number (901330374).

Almost surely, 2^12318847612 is an apocalyptic number.

It is an amenable number.

12318847612 is a deficient number, since it is larger than the sum of its proper divisors (9313081364).

12318847612 is a wasteful number, since it uses less digits than its factorization.

12318847612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9597 (or 9595 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The spelling of 12318847612 in words is "twelve billion, three hundred eighteen million, eight hundred forty-seven thousand, six hundred twelve".