43212412 has 12 divisors (see below), whose sum is σ = 75675600. Its totient is φ = 21590816.

The previous prime is 43212409. The next prime is 43212431. The reversal of 43212412 is 21421234.

It is a self number, because there is not a number n which added to its sum of digits gives 43212412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4464 + ... + 10312.

It is an arithmetic number, because the mean of its divisors is an integer number (6306300).

Almost surely, 2^43212412 is an apocalyptic number.

It is an amenable number.

43212412 is a deficient number, since it is larger than the sum of its proper divisors (32463188).

43212412 is a wasteful number, since it uses less digits than its factorization.

43212412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7700 (or 7698 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 43212412 is about 6573.6148350812. The cubic root of 43212412 is about 350.9157299123.

Adding to 43212412 its reverse (21421234), we get a palindrome (64633646).

The spelling of 43212412 in words is "forty-three million, two hundred twelve thousand, four hundred twelve".