212444204 has 18 divisors (see below), whose sum is σ = 432476100. Its totient is φ = 91047432.

The previous prime is 212444179. The next prime is 212444213. The reversal of 212444204 is 402444212.

It is a self number, because there is not a number n which added to its sum of digits gives 212444204.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 541754 + ... + 542145.

It is an arithmetic number, because the mean of its divisors is an integer number (24026450).

Almost surely, 2^212444204 is an apocalyptic number.

It is an amenable number.

212444204 is an abundant number, since it is smaller than the sum of its proper divisors (220031896).

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

212444204 is a wasteful number, since it uses less digits than its factorization.

212444204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083917 (or 1083908 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 212444204 is about 14575.4658244600. The cubic root of 212444204 is about 596.6893626952.

Adding to 212444204 its reverse (402444212), we get a palindrome (614888416).

The spelling of 212444204 in words is "two hundred twelve million, four hundred forty-four thousand, two hundred four".