206555212 has 24 divisors (see below), whose sum is σ = 370983312. Its totient is φ = 100569600.

The previous prime is 206555183. The next prime is 206555291. The reversal of 206555212 is 212555602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132228 + ... + 133780.

It is an arithmetic number, because the mean of its divisors is an integer number (15457638).

Almost surely, 2^206555212 is an apocalyptic number.

It is an amenable number.

206555212 is a deficient number, since it is larger than the sum of its proper divisors (164428100).

206555212 is a wasteful number, since it uses less digits than its factorization.

206555212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2407 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 206555212 is about 14372.0288059828. The cubic root of 206555212 is about 591.1241728583.

The spelling of 206555212 in words is "two hundred six million, five hundred fifty-five thousand, two hundred twelve".