212855882 has 16 divisors (see below), whose sum is σ = 334824840. Its totient is φ = 101348352.

The previous prime is 212855873. The next prime is 212855933. The reversal of 212855882 is 288558212.

It can be written as a sum of positive squares in 4 ways, for example, as 195972001 + 16883881 = 13999^2 + 4109^2 .

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, 20903 + ... + 29370.

Almost surely, 2^212855882 is an apocalyptic number.

212855882 is a deficient number, since it is larger than the sum of its proper divisors (121968958).

212855882 is a wasteful number, since it uses less digits than its factorization.

212855882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50377.

The product of its digits is 102400, while the sum is 41.

The square root of 212855882 is about 14589.5812825454. The cubic root of 212855882 is about 597.0745389414.

The spelling of 212855882 in words is "two hundred twelve million, eight hundred fifty-five thousand, eight hundred eighty-two".