12201221210989 has 16 divisors (see below), whose sum is σ = 12254748802560. Its totient is φ = 12147798121920.

The previous prime is 12201221210953. The next prime is 12201221211029. The reversal of 12201221210989 is 98901212210221.

12201221210989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12201221210989 - 2¹¹ = 12201221208941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201221210929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1013132002 + ... + 1013144044.

It is an arithmetic number, because the mean of its divisors is an integer number (765921800160).

Almost surely, 2^{12201221210989} is an apocalyptic number.

It is an amenable number.

12201221210989 is a deficient number, since it is larger than the sum of its proper divisors (53527591571).

12201221210989 is a wasteful number, since it uses less digits than its factorization.

12201221210989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16020.

The product of its (nonzero) digits is 20736, while the sum is 40.

The spelling of 12201221210989 in words is "twelve trillion, two hundred one billion, two hundred twenty-one million, two hundred ten thousand, nine hundred eighty-nine".