212118324 has 72 divisors (see below), whose sum is σ = 546891744. Its totient is φ = 63940800.

The previous prime is 212118323. The next prime is 212118329. The reversal of 212118324 is 423811212.

212118324 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212118294 and 212118303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212118323) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 503634 + ... + 504054.

Almost surely, 2^212118324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212118324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273445872).

212118324 is an abundant number, since it is smaller than the sum of its proper divisors (334773420).

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

212118324 is a wasteful number, since it uses less digits than its factorization.

212118324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 784 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 212118324 is about 14564.2824746020. The cubic root of 212118324 is about 596.3841082078.

Adding to 212118324 its reverse (423811212), we get a palindrome (635929536).

The spelling of 212118324 in words is "two hundred twelve million, one hundred eighteen thousand, three hundred twenty-four".