212211311204 has 48 divisors (see below), whose sum is σ = 389396367360. Its totient is φ = 101000555040.

The previous prime is 212211311203. The next prime is 212211311233. The reversal of 212211311204 is 402113112212.

It is not an unprimeable number, because it can be changed into a prime (212211311203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53011067 + ... + 53015069.

It is an arithmetic number, because the mean of its divisors is an integer number (8112424320).

Almost surely, 2^212211311204 is an apocalyptic number.

It is an amenable number.

212211311204 is a deficient number, since it is larger than the sum of its proper divisors (177185056156).

212211311204 is a wasteful number, since it uses less digits than its factorization.

212211311204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6680 (or 6678 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 212211311204 its reverse (402113112212), we get a palindrome (614324423416).

The spelling of 212211311204 in words is "two hundred twelve billion, two hundred eleven million, three hundred eleven thousand, two hundred four".