43212452 has 12 divisors (see below), whose sum is σ = 76003200. Its totient is φ = 21497256.

The previous prime is 43212439. The next prime is 43212457. The reversal of 43212452 is 25421234.

It is a happy number.

43212452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (43212457) 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 3 ways as a sum of consecutive naturals, for example, 26348 + ... + 27939.

It is an arithmetic number, because the mean of its divisors is an integer number (6333600).

Almost surely, 2^43212452 is an apocalyptic number.

It is an amenable number.

43212452 is a deficient number, since it is larger than the sum of its proper divisors (32790748).

43212452 is a wasteful number, since it uses less digits than its factorization.

43212452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54490 (or 54488 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 43212452 is about 6573.6178775466. The cubic root of 43212452 is about 350.9158381885.

Adding to 43212452 its reverse (25421234), we get a palindrome (68633686).

The spelling of 43212452 in words is "forty-three million, two hundred twelve thousand, four hundred fifty-two".