212604 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
2212604 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212604 is a wasteful number, since it uses less digits than its factorization.
212604 is an evil number, because the sum of its binary digits is even.
The square root of 212604 is about 461.0900129042. The cubic root of 212604 is about 59.6838930872.
Adding to 212604 its reverse (406212), we get a palindrome (618816).
The spelling of 212604 in words is "two hundred twelve thousand, six hundred four".