206289012 has 12 divisors (see below), whose sum is σ = 481341056. Its totient is φ = 68763000.

The previous prime is 206288993. The next prime is 206289019. The reversal of 206289012 is 210982602.

206289012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×206289012³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206289019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8595364 + ... + 8595387.

Almost surely, 2^206289012 is an apocalyptic number.

It is an amenable number.

206289012 is an abundant number, since it is smaller than the sum of its proper divisors (275052044).

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

206289012 is a wasteful number, since it uses less digits than its factorization.

206289012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17190758 (or 17190756 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 206289012 is about 14362.7647756273. The cubic root of 206289012 is about 590.8701247190.

The spelling of 206289012 in words is "two hundred six million, two hundred eighty-nine thousand, twelve".