255212 has 6 divisors (see below), whose sum is σ = 446628. Its totient is φ = 127604.

The previous prime is 255209. The next prime is 255217. The reversal of 255212 is 212552.

It is not an unprimeable number, because it can be changed into a prime (255217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31898 + ... + 31905.

It is an arithmetic number, because the mean of its divisors is an integer number (74438).

2²⁵⁵²¹² is an apocalyptic number.

It is an amenable number.

255212 is a deficient number, since it is larger than the sum of its proper divisors (191416).

255212 is a wasteful number, since it uses less digits than its factorization.

255212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63807 (or 63805 counting only the distinct ones).

The product of its digits is 200, while the sum is 17.

The square root of 255212 is about 505.1851145867. The cubic root of 255212 is about 63.4308255332.

Adding to 255212 its reverse (212552), we get a palindrome (467764).

The spelling of 255212 in words is "two hundred fifty-five thousand, two hundred twelve".