118217312 has 24 divisors (see below), whose sum is σ = 233464392. Its totient is φ = 58924800.

The previous prime is 118217251. The next prime is 118217321. The reversal of 118217312 is 213712811.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5012 + ... + 16172.

It is an arithmetic number, because the mean of its divisors is an integer number (9727683).

Almost surely, 2^118217312 is an apocalyptic number.

It is an amenable number.

118217312 is a deficient number, since it is larger than the sum of its proper divisors (115247080).

118217312 is a wasteful number, since it uses less digits than its factorization.

118217312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11502 (or 11494 counting only the distinct ones).

The product of its digits is 672, while the sum is 26.

The square root of 118217312 is about 10872.7784857414. The cubic root of 118217312 is about 490.7877264434.

The spelling of 118217312 in words is "one hundred eighteen million, two hundred seventeen thousand, three hundred twelve".