856230012 has 36 divisors (see below), whose sum is σ = 2361120216. Its totient is φ = 259463520.

The previous prime is 856229923. The next prime is 856230043. The reversal of 856230012 is 210032658.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1080703 + ... + 1081494.

Almost surely, 2^856230012 is an apocalyptic number.

It is an amenable number.

856230012 is an abundant number, since it is smaller than the sum of its proper divisors (1504890204).

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

856230012 is a wasteful number, since it uses less digits than its factorization.

856230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162218 (or 2162213 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 856230012 is about 29261.4082367886. The cubic root of 856230012 is about 949.5769166859.

The spelling of 856230012 in words is "eight hundred fifty-six million, two hundred thirty thousand, twelve".