212424112 has 20 divisors (see below), whose sum is σ = 435782376. Its totient is φ = 99964160.

The previous prime is 212424097. The next prime is 212424151. The reversal of 212424112 is 211424212.

212424112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 212424112.

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 3 ways as a sum of consecutive naturals, for example, 390214 + ... + 390757.

Almost surely, 2^212424112 is an apocalyptic number.

It is an amenable number.

212424112 is an abundant number, since it is smaller than the sum of its proper divisors (223358264).

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

212424112 is a wasteful number, since it uses less digits than its factorization.

212424112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780996 (or 780990 counting only the distinct ones).

The product of its digits is 256, while the sum is 19.

The square root of 212424112 is about 14574.7765677557. The cubic root of 212424112 is about 596.6705513863.

Adding to 212424112 its reverse (211424212), we get a palindrome (423848324).

The spelling of 212424112 in words is "two hundred twelve million, four hundred twenty-four thousand, one hundred twelve".