43211230012 has 6 divisors (see below), whose sum is σ = 75619652528. Its totient is φ = 21605615004.

The previous prime is 43211230001. The next prime is 43211230019. The reversal of 43211230012 is 21003211234.

It is a happy number.

43211230012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43211230019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5401403748 + ... + 5401403755.

Almost surely, 2^43211230012 is an apocalyptic number.

It is an amenable number.

43211230012 is a deficient number, since it is larger than the sum of its proper divisors (32408422516).

43211230012 is a wasteful number, since it uses less digits than its factorization.

43211230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10802807507 (or 10802807505 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 43211230012 its reverse (21003211234), we get a palindrome (64214441246).

The spelling of 43211230012 in words is "forty-three billion, two hundred eleven million, two hundred thirty thousand, twelve".