43213220012 has 12 divisors (see below), whose sum is σ = 75625144896. Its totient is φ = 21606035760.

The previous prime is 43213219993. The next prime is 43213220021. The reversal of 43213220012 is 21002231234.

43213220012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 56837 + ... + 299427.

It is an arithmetic number, because the mean of its divisors is an integer number (6302095408).

Almost surely, 2^43213220012 is an apocalyptic number.

It is an amenable number.

43213220012 is a deficient number, since it is larger than the sum of its proper divisors (32411924884).

43213220012 is a wasteful number, since it uses less digits than its factorization.

43213220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287128 (or 287126 counting only the distinct ones).

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

Adding to 43213220012 its reverse (21002231234), we get a palindrome (64215451246).

The spelling of 43213220012 in words is "forty-three billion, two hundred thirteen million, two hundred twenty thousand, twelve".