212330244 has 48 divisors (see below), whose sum is σ = 596019200. Its totient is φ = 57472416.

The previous prime is 212330213. The next prime is 212330269. The reversal of 212330244 is 442033212.

212330244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 212330244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64924 + ... + 68115.

Almost surely, 2^212330244 is an apocalyptic number.

It is an amenable number.

212330244 is an abundant number, since it is smaller than the sum of its proper divisors (383688956).

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

212330244 is a wasteful number, since it uses less digits than its factorization.

212330244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133072 (or 133070 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 212330244 is about 14571.5559910395. Note that the first 3 decimals coincide. The cubic root of 212330244 is about 596.5826509393.

Adding to 212330244 its reverse (442033212), we get a palindrome (654363456).

The spelling of 212330244 in words is "two hundred twelve million, three hundred thirty thousand, two hundred forty-four".