318648365212 has 24 divisors (see below), whose sum is σ = 570913302960. Its totient is φ = 155568408960.

The previous prime is 318648365179. The next prime is 318648365249. The reversal of 318648365212 is 212563846813.

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, 4732762 + ... + 4799617.

It is an arithmetic number, because the mean of its divisors is an integer number (23788054290).

Almost surely, 2^318648365212 is an apocalyptic number.

It is an amenable number.

318648365212 is a deficient number, since it is larger than the sum of its proper divisors (252264937748).

318648365212 is a wasteful number, since it uses less digits than its factorization.

318648365212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532581 (or 9532579 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The spelling of 318648365212 in words is "three hundred eighteen billion, six hundred forty-eight million, three hundred sixty-five thousand, two hundred twelve".