212020218804 has 48 divisors (see below), whose sum is σ = 499478773248. Its totient is φ = 69993077088.

The previous prime is 212020218803. The next prime is 212020218821. The reversal of 212020218804 is 408812020212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020218803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4918087 + ... + 4961009.

It is an arithmetic number, because the mean of its divisors is an integer number (10405807776).

Almost surely, 2^212020218804 is an apocalyptic number.

It is an amenable number.

212020218804 is an abundant number, since it is smaller than the sum of its proper divisors (287458554444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212020218804 is a wasteful number, since it uses less digits than its factorization.

212020218804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46884 (or 46882 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The spelling of 212020218804 in words is "two hundred twelve billion, twenty million, two hundred eighteen thousand, eight hundred four".