205837012 has 24 divisors (see below), whose sum is σ = 377143200. Its totient is φ = 98167776.

The previous prime is 205836991. The next prime is 205837033. The reversal of 205837012 is 210738502.

205837012 is digitally balanced in base 3, 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 (205836991) and next prime (205837033).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062 + ... + 20317.

It is an arithmetic number, because the mean of its divisors is an integer number (15714300).

Almost surely, 2^205837012 is an apocalyptic number.

It is an amenable number.

205837012 is a deficient number, since it is larger than the sum of its proper divisors (171306188).

205837012 is a wasteful number, since it uses less digits than its factorization.

205837012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21495 (or 21493 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 205837012 is about 14347.0210148309. The cubic root of 205837012 is about 590.4382571609.

The spelling of 205837012 in words is "two hundred five million, eight hundred thirty-seven thousand, twelve".