212424234 has 32 divisors (see below), whose sum is σ = 466603200. Its totient is φ = 63936000.

The previous prime is 212424227. The next prime is 212424283. The reversal of 212424234 is 432424212.

212424234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967 + ... + 20634.

It is an arithmetic number, because the mean of its divisors is an integer number (14581350).

Almost surely, 2^212424234 is an apocalyptic number.

212424234 is an abundant number, since it is smaller than the sum of its proper divisors (254178966).

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

212424234 is a wasteful number, since it uses less digits than its factorization.

212424234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21766.

The product of its digits is 3072, while the sum is 24.

The square root of 212424234 is about 14574.7807530680. The cubic root of 212424234 is about 596.6706656134.

Adding to 212424234 its reverse (432424212), we get a palindrome (644848446).

The spelling of 212424234 in words is "two hundred twelve million, four hundred twenty-four thousand, two hundred thirty-four".