212043244 has 48 divisors (see below), whose sum is σ = 464546880. Its totient is φ = 82575360.

The previous prime is 212043239. The next prime is 212043269. The reversal of 212043244 is 442340212.

It is a happy number.

212043244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6124 + ... + 21484.

It is an arithmetic number, because the mean of its divisors is an integer number (9678060).

Almost surely, 2^212043244 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 212043244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232273440).

212043244 is an abundant number, since it is smaller than the sum of its proper divisors (252503636).

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

212043244 is a wasteful number, since it uses less digits than its factorization.

212043244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15418 (or 15416 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 212043244 is about 14561.7047078974. The cubic root of 212043244 is about 596.3137358452.

Adding to 212043244 its reverse (442340212), we get a palindrome (654383456).

The spelling of 212043244 in words is "two hundred twelve million, forty-three thousand, two hundred forty-four".