212444052 has 24 divisors (see below), whose sum is σ = 500253600. Its totient is φ = 70164576.

The previous prime is 212444039. The next prime is 212444093. The reversal of 212444052 is 250444212.

It is a happy number.

212444052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 79902 + ... + 82517.

It is an arithmetic number, because the mean of its divisors is an integer number (20843900).

Almost surely, 2^212444052 is an apocalyptic number.

It is an amenable number.

212444052 is an abundant number, since it is smaller than the sum of its proper divisors (287809548).

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

212444052 is a wasteful number, since it uses less digits than its factorization.

212444052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162535 (or 162533 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 212444052 is about 14575.4606102174. The cubic root of 212444052 is about 596.6892203883.

Adding to 212444052 its reverse (250444212), we get a palindrome (462888264).

The spelling of 212444052 in words is "two hundred twelve million, four hundred forty-four thousand, fifty-two".