212874856 has 16 divisors (see below), whose sum is σ = 399320640. Its totient is φ = 106389360.

The previous prime is 212874853. The next prime is 212874863. The reversal of 212874856 is 658478212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212874853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18871 + ... + 27961.

It is an arithmetic number, because the mean of its divisors is an integer number (24957540).

Almost surely, 2^212874856 is an apocalyptic number.

It is an amenable number.

212874856 is a deficient number, since it is larger than the sum of its proper divisors (186445784).

212874856 is a wasteful number, since it uses less digits than its factorization.

212874856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12024 (or 12020 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The square root of 212874856 is about 14590.2315266071. The cubic root of 212874856 is about 597.0922795140.

The spelling of 212874856 in words is "two hundred twelve million, eight hundred seventy-four thousand, eight hundred fifty-six".