43223111212 has 12 divisors (see below), whose sum is σ = 75642020496. Its totient is φ = 21611105360.

The previous prime is 43223111203. The next prime is 43223111213. The reversal of 43223111212 is 21211132234.

It is not an unprimeable number, because it can be changed into a prime (43223111213) 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, 199662 + ... + 355402.

It is an arithmetic number, because the mean of its divisors is an integer number (6303501708).

Almost surely, 2^43223111212 is an apocalyptic number.

It is an amenable number.

43223111212 is a deficient number, since it is larger than the sum of its proper divisors (32418909284).

43223111212 is a wasteful number, since it uses less digits than its factorization.

43223111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225128 (or 225126 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

Adding to 43223111212 its reverse (21211132234), we get a palindrome (64434243446).

The spelling of 43223111212 in words is "forty-three billion, two hundred twenty-three million, one hundred eleven thousand, two hundred twelve".