205043412 has 24 divisors (see below), whose sum is σ = 546782656. Its totient is φ = 58583808.

The previous prime is 205043357. The next prime is 205043429. The reversal of 205043412 is 214340502.

205043412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1220413 + ... + 1220580.

Almost surely, 2^205043412 is an apocalyptic number.

It is an amenable number.

205043412 is an abundant number, since it is smaller than the sum of its proper divisors (341739244).

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

205043412 is a wasteful number, since it uses less digits than its factorization.

205043412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441007 (or 2441005 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 205043412 is about 14319.3369958249. The cubic root of 205043412 is about 589.6784727099.

Adding to 205043412 its reverse (214340502), we get a palindrome (419383914).

The spelling of 205043412 in words is "two hundred five million, forty-three thousand, four hundred twelve".