43321331243212 has 24 divisors (see below), whose sum is σ = 82712434738752. Its totient is φ = 19689591560400.

The previous prime is 43321331243087. The next prime is 43321331243219. The reversal of 43321331243212 is 21234213312334.

It is not an unprimeable number, because it can be changed into a prime (43321331243219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47610214 + ... + 48511597.

It is an arithmetic number, because the mean of its divisors is an integer number (3446351447448).

Almost surely, 2^{43321331243212} is an apocalyptic number.

It is an amenable number.

43321331243212 is a deficient number, since it is larger than the sum of its proper divisors (39391103495540).

43321331243212 is a wasteful number, since it uses less digits than its factorization.

43321331243212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96132069 (or 96132067 counting only the distinct ones).

The product of its digits is 62208, while the sum is 34.

Adding to 43321331243212 its reverse (21234213312334), we get a palindrome (64555544555546).

The spelling of 43321331243212 in words is "forty-three trillion, three hundred twenty-one billion, three hundred thirty-one million, two hundred forty-three thousand, two hundred twelve".