43213412 has 24 divisors (see below), whose sum is σ = 86087232. Its totient is φ = 18788000.

The previous prime is 43213399. The next prime is 43213441. The reversal of 43213412 is 21431234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20339 + ... + 22362.

It is an arithmetic number, because the mean of its divisors is an integer number (3586968).

Almost surely, 2^43213412 is an apocalyptic number.

It is an amenable number.

43213412 is a deficient number, since it is larger than the sum of its proper divisors (42873820).

43213412 is a wasteful number, since it uses less digits than its factorization.

43213412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42739 (or 42737 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 43213412 is about 6573.6908962926. The cubic root of 43213412 is about 350.9184367968.

Adding to 43213412 its reverse (21431234), we get a palindrome (64644646).

The spelling of 43213412 in words is "forty-three million, two hundred thirteen thousand, four hundred twelve".