256966012 has 12 divisors (see below), whose sum is σ = 451974600. Its totient is φ = 127830416.

The previous prime is 256966007. The next prime is 256966027. The reversal of 256966012 is 210669652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162262 + ... + 163837.

It is an arithmetic number, because the mean of its divisors is an integer number (37664550).

Almost surely, 2^256966012 is an apocalyptic number.

It is an amenable number.

256966012 is a deficient number, since it is larger than the sum of its proper divisors (195008588).

256966012 is a wasteful number, since it uses less digits than its factorization.

256966012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326300 (or 326298 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 256966012 is about 16030.1594502363. The cubic root of 256966012 is about 635.7580893726.

The spelling of 256966012 in words is "two hundred fifty-six million, nine hundred sixty-six thousand, twelve".