205059012 has 12 divisors (see below), whose sum is σ = 478471056. Its totient is φ = 68353000.

The previous prime is 205059011. The next prime is 205059013. The reversal of 205059012 is 210950502.

205059012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (205059011) and next prime (205059013).

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

It is a super-2 number, since 2×205059012² = 84098396804832288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205059011) 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, 8544114 + ... + 8544137.

It is an arithmetic number, because the mean of its divisors is an integer number (39872588).

Almost surely, 2^205059012 is an apocalyptic number.

It is an amenable number.

205059012 is an abundant number, since it is smaller than the sum of its proper divisors (273412044).

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

205059012 is a wasteful number, since it uses less digits than its factorization.

205059012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17088258 (or 17088256 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 205059012 is about 14319.8817034220. The cubic root of 205059012 is about 589.6934268617.

The spelling of 205059012 in words is "two hundred five million, fifty-nine thousand, twelve".