206012851 has 8 divisors (see below), whose sum is σ = 237961584. Its totient is φ = 176267520.

The previous prime is 206012813. The next prime is 206012879. The reversal of 206012851 is 158210602.

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

It is not a de Polignac number, because 206012851 - 2¹¹ = 206010803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206012551) by changing a digit.

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, 550650 + ... + 551023.

It is an arithmetic number, because the mean of its divisors is an integer number (29745198).

Almost surely, 2^206012851 is an apocalyptic number.

206012851 is a deficient number, since it is larger than the sum of its proper divisors (31948733).

206012851 is a wasteful number, since it uses less digits than its factorization.

206012851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101701.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 206012851 is about 14353.1477732238. The cubic root of 206012851 is about 590.6063392143.

The spelling of 206012851 in words is "two hundred six million, twelve thousand, eight hundred fifty-one".