205224245012 has 12 divisors (see below), whose sum is σ = 359942303700. Its totient is φ = 102383586816.

The previous prime is 205224244997. The next prime is 205224245033. The reversal of 205224245012 is 210542422502.

It is a happy number.

205224245012 is digitally balanced in base 2, 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 88700326276 + 116523918736 = 297826^2 + 341356^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57131903 + ... + 57135494.

It is an arithmetic number, because the mean of its divisors is an integer number (29995191975).

Almost surely, 2^205224245012 is an apocalyptic number.

It is an amenable number.

205224245012 is a deficient number, since it is larger than the sum of its proper divisors (154718058688).

205224245012 is a wasteful number, since it uses less digits than its factorization.

205224245012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114267850 (or 114267848 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 205224245012 its reverse (210542422502), we get a palindrome (415766667514).

The spelling of 205224245012 in words is "two hundred five billion, two hundred twenty-four million, two hundred forty-five thousand, twelve".