256012212 has 24 divisors (see below), whose sum is σ = 599316256. Its totient is φ = 85058208.

The previous prime is 256012193. The next prime is 256012223. The reversal of 256012212 is 212210652.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31063 + ... + 38430.

Almost surely, 2^256012212 is an apocalyptic number.

It is an amenable number.

256012212 is an abundant number, since it is smaller than the sum of its proper divisors (343304044).

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

256012212 is a wasteful number, since it uses less digits than its factorization.

256012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69807 (or 69805 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 256012212 is about 16000.3816204489. The cubic root of 256012212 is about 634.9705171588.

Adding to 256012212 its reverse (212210652), we get a palindrome (468222864).

The spelling of 256012212 in words is "two hundred fifty-six million, twelve thousand, two hundred twelve".