255712212 has 36 divisors (see below), whose sum is σ = 738724896. Its totient is φ = 73060560.

The previous prime is 255712201. The next prime is 255712231. The reversal of 255712212 is 212217552.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507114 + ... + 507617.

It is an arithmetic number, because the mean of its divisors is an integer number (20520136).

Almost surely, 2^255712212 is an apocalyptic number.

It is an amenable number.

255712212 is an abundant number, since it is smaller than the sum of its proper divisors (483012684).

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

255712212 is a wasteful number, since it uses less digits than its factorization.

255712212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014748 (or 1014743 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 255712212 is about 15991.0040960535. The cubic root of 255712212 is about 634.7223966894.

Adding to 255712212 its reverse (212217552), we get a palindrome (467929764).

The spelling of 255712212 in words is "two hundred fifty-five million, seven hundred twelve thousand, two hundred twelve".