206051212 has 6 divisors (see below), whose sum is σ = 360589628. Its totient is φ = 103025604.

The previous prime is 206051207. The next prime is 206051213. The reversal of 206051212 is 212150602.

It is a self number, because there is not a number n which added to its sum of digits gives 206051212.

It is not an unprimeable number, because it can be changed into a prime (206051213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25756398 + ... + 25756405.

Almost surely, 2^206051212 is an apocalyptic number.

It is an amenable number.

206051212 is a deficient number, since it is larger than the sum of its proper divisors (154538416).

206051212 is a wasteful number, since it uses less digits than its factorization.

206051212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51512807 (or 51512805 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 206051212 is about 14354.4840380976. The cubic root of 206051212 is about 590.6429952506.

The spelling of 206051212 in words is "two hundred six million, fifty-one thousand, two hundred twelve".