212021120204 has 6 divisors (see below), whose sum is σ = 371036960364. Its totient is φ = 106010560100.

The previous prime is 212021120093. The next prime is 212021120249. The reversal of 212021120204 is 402021120212.

212021120204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 as a sum of consecutive naturals, namely, 26502640022 + ... + 26502640029.

It is an arithmetic number, because the mean of its divisors is an integer number (61839493394).

Almost surely, 2^212021120204 is an apocalyptic number.

It is an amenable number.

212021120204 is a deficient number, since it is larger than the sum of its proper divisors (159015840160).

212021120204 is a wasteful number, since it uses less digits than its factorization.

212021120204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53005280055 (or 53005280053 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212021120204 its reverse (402021120212), we get a palindrome (614042240416).

The spelling of 212021120204 in words is "two hundred twelve billion, twenty-one million, one hundred twenty thousand, two hundred four".