205028945712 has 50 divisors (see below), whose sum is σ = 593413256348. Its totient is φ = 68342981472.

The previous prime is 205028945707. The next prime is 205028945741. The reversal of 205028945712 is 217549820502.

205028945712 is a `hidden beast` number, since 2 + 0 + 50 + 28 + 9 + 4 + 571 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 79099378 + ... + 79101969.

Almost surely, 2^205028945712 is an apocalyptic number.

It is an amenable number.

205028945712 is an abundant number, since it is smaller than the sum of its proper divisors (388384310636).

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

205028945712 is a wasteful number, since it uses less digits than its factorization.

205028945712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158201367 (or 158201352 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 205028945712 in words is "two hundred five billion, twenty-eight million, nine hundred forty-five thousand, seven hundred twelve".