205251412 has 12 divisors (see below), whose sum is σ = 367950996. Its totient is φ = 100122560.

The previous prime is 205251407. The next prime is 205251439. The reversal of 205251412 is 214152502.

205251412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 113934276 + 91317136 = 10674^2 + 9556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625603 + ... + 625930.

It is an arithmetic number, because the mean of its divisors is an integer number (30662583).

Almost surely, 2^205251412 is an apocalyptic number.

It is an amenable number.

205251412 is a deficient number, since it is larger than the sum of its proper divisors (162699584).

205251412 is a wasteful number, since it uses less digits than its factorization.

205251412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251578 (or 1251576 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 205251412 is about 14326.5980609494. The cubic root of 205251412 is about 589.8777990714.

The spelling of 205251412 in words is "two hundred five million, two hundred fifty-one thousand, four hundred twelve".