206812195 has 8 divisors (see below), whose sum is σ = 256732560. Its totient is φ = 159744480.

The previous prime is 206812187. The next prime is 206812211. The reversal of 206812195 is 591218602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206812195 - 2³ = 206812187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206812195.

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, 713001 + ... + 713290.

It is an arithmetic number, because the mean of its divisors is an integer number (32091570).

Almost surely, 2^206812195 is an apocalyptic number.

206812195 is a deficient number, since it is larger than the sum of its proper divisors (49920365).

206812195 is a wasteful number, since it uses less digits than its factorization.

206812195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426325.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 206812195 is about 14380.9664139793. The cubic root of 206812195 is about 591.3692177656.

The spelling of 206812195 in words is "two hundred six million, eight hundred twelve thousand, one hundred ninety-five".