205006012 has 12 divisors (see below), whose sum is σ = 359595936. Its totient is φ = 102264320.

The previous prime is 205005989. The next prime is 205006031. The reversal of 205006012 is 210600502.

It is a happy number.

It is a super-2 number, since 2×205006012² = 84054929912288288, which contains 22 as substring.

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, 57733 + ... + 61180.

It is an arithmetic number, because the mean of its divisors is an integer number (29966328).

Almost surely, 2^205006012 is an apocalyptic number.

It is an amenable number.

205006012 is a deficient number, since it is larger than the sum of its proper divisors (154589924).

205006012 is a wasteful number, since it uses less digits than its factorization.

205006012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119348 (or 119346 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 205006012 is about 14318.0310098840. The cubic root of 205006012 is about 589.6426180005.

Adding to 205006012 its reverse (210600502), we get a palindrome (415606514).

The spelling of 205006012 in words is "two hundred five million, six thousand, twelve".