212021003204 has 24 divisors (see below), whose sum is σ = 386373086400. Its totient is φ = 101677111200.

The previous prime is 212021003177. The next prime is 212021003209. The reversal of 212021003204 is 402300120212.

It is not an unprimeable number, because it can be changed into a prime (212021003209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6034694 + ... + 6069725.

It is an arithmetic number, because the mean of its divisors is an integer number (16098878600).

Almost surely, 2^212021003204 is an apocalyptic number.

It is an amenable number.

212021003204 is a deficient number, since it is larger than the sum of its proper divisors (174352083196).

212021003204 is a wasteful number, since it uses less digits than its factorization.

212021003204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12104603 (or 12104601 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212021003204 its reverse (402300120212), we get a palindrome (614321123416).

The spelling of 212021003204 in words is "two hundred twelve billion, twenty-one million, three thousand, two hundred four".