318012 has 12 divisors (see below), whose sum is σ = 742056. Its totient is φ = 106000.

The previous prime is 318007. The next prime is 318023. The reversal of 318012 is 210813.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×318012² = 202263264288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 317982 and 318000.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 318012.

It is an unprimeable number.

318012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13239 + ... + 13262.

It is an arithmetic number, because the mean of its divisors is an integer number (61838).

2³¹⁸⁰¹² is an apocalyptic number.

It is an amenable number.

318012 is an abundant number, since it is smaller than the sum of its proper divisors (424044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318012 is a wasteful number, since it uses less digits than its factorization.

318012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26508 (or 26506 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 318012 is about 563.9255269980. The cubic root of 318012 is about 68.2571005239.

Adding to 318012 its reverse (210813), we get a palindrome (528825).

The spelling of 318012 in words is "three hundred eighteen thousand, twelve".