212430244 has 24 divisors (see below), whose sum is σ = 400890168. Its totient is φ = 97912320.

The previous prime is 212430221. The next prime is 212430269. The reversal of 212430244 is 442034212.

It is a happy number.

212430244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2528100 + 209902144 = 1590^2 + 14488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43494 + ... + 48130.

It is an arithmetic number, because the mean of its divisors is an integer number (16703757).

Almost surely, 2^212430244 is an apocalyptic number.

It is an amenable number.

212430244 is a deficient number, since it is larger than the sum of its proper divisors (188459924).

212430244 is a wasteful number, since it uses less digits than its factorization.

212430244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535 (or 5533 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 212430244 is about 14574.9869296682. The cubic root of 212430244 is about 596.6762926501.

Adding to 212430244 its reverse (442034212), we get a palindrome (654464456).

The spelling of 212430244 in words is "two hundred twelve million, four hundred thirty thousand, two hundred forty-four".