212211044212 has 12 divisors (see below), whose sum is σ = 372196433700. Its totient is φ = 105869206016.

The previous prime is 212211044203. The next prime is 212211044239. The reversal of 212211044212 is 212440112212.

212211044212 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 170200802916 + 42010241296 = 412554^2 + 204964^2 .

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, 59077003 + ... + 59080594.

It is an arithmetic number, because the mean of its divisors is an integer number (31016369475).

Almost surely, 2^212211044212 is an apocalyptic number.

It is an amenable number.

212211044212 is a deficient number, since it is larger than the sum of its proper divisors (159985389488).

212211044212 is a wasteful number, since it uses less digits than its factorization.

212211044212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118158050 (or 118158048 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212211044212 its reverse (212440112212), we get a palindrome (424651156424).

The spelling of 212211044212 in words is "two hundred twelve billion, two hundred eleven million, forty-four thousand, two hundred twelve".