318632163212 has 12 divisors (see below), whose sum is σ = 608297766216. Its totient is φ = 144832801440.

The previous prime is 318632163197. The next prime is 318632163281. The reversal of 318632163212 is 212361236813.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3620819993 + ... + 3620820080.

It is an arithmetic number, because the mean of its divisors is an integer number (50691480518).

Almost surely, 2^318632163212 is an apocalyptic number.

It is an amenable number.

318632163212 is a deficient number, since it is larger than the sum of its proper divisors (289665603004).

318632163212 is a wasteful number, since it uses less digits than its factorization.

318632163212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241640088 (or 7241640086 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The spelling of 318632163212 in words is "three hundred eighteen billion, six hundred thirty-two million, one hundred sixty-three thousand, two hundred twelve".