212443323224 has 96 divisors (see below), whose sum is σ = 466276124160. Its totient is φ = 90358287360.

The previous prime is 212443323187. The next prime is 212443323283. The reversal of 212443323224 is 422323344212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2809577 + ... + 2884199.

It is an arithmetic number, because the mean of its divisors is an integer number (4857042960).

Almost surely, 2^212443323224 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 212443323224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233138062080).

212443323224 is an abundant number, since it is smaller than the sum of its proper divisors (253832800936).

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

212443323224 is a wasteful number, since it uses less digits than its factorization.

212443323224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74841 (or 74826 counting only the distinct ones).

The product of its digits is 55296, while the sum is 32.

Adding to 212443323224 its reverse (422323344212), we get a palindrome (634766667436).

The spelling of 212443323224 in words is "two hundred twelve billion, four hundred forty-three million, three hundred twenty-three thousand, two hundred twenty-four".