318212 has 24 divisors (see below), whose sum is σ = 604800. Its totient is φ = 146016.

The previous prime is 318211. The next prime is 318229. The reversal of 318212 is 212813.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 318212.

It is not an unprimeable number, because it can be changed into a prime (318211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3989 + ... + 4067.

It is an arithmetic number, because the mean of its divisors is an integer number (25200).

2³¹⁸²¹² is an apocalyptic number.

It is an amenable number.

318212 is a deficient number, since it is larger than the sum of its proper divisors (286588).

318212 is a wasteful number, since it uses less digits than its factorization.

318212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 153 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 318212 is about 564.1028275058. The cubic root of 318212 is about 68.2714066499.

The spelling of 318212 in words is "three hundred eighteen thousand, two hundred twelve".