206612712 has 24 divisors (see below), whose sum is σ = 559576290. Its totient is φ = 68870880.

The previous prime is 206612687. The next prime is 206612723. The reversal of 206612712 is 217216602.

It can be written as a sum of positive squares in only one way, i.e., 119115396 + 87497316 = 10914^2 + 9354^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 1434739 + ... + 1434882.

Almost surely, 2^206612712 is an apocalyptic number.

It is an amenable number.

206612712 is an abundant number, since it is smaller than the sum of its proper divisors (352963578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206612712 is a wasteful number, since it uses less digits than its factorization.

206612712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869633 (or 2869626 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 206612712 is about 14374.0290802544. The cubic root of 206612712 is about 591.1790193505.

The spelling of 206612712 in words is "two hundred six million, six hundred twelve thousand, seven hundred twelve".