12201020211202 has 16 divisors (see below), whose sum is σ = 18369894002040. Its totient is φ = 6077723021568.

The previous prime is 12201020211187. The next prime is 12201020211203. The reversal of 12201020211202 is 20211202010221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10789654827121 + 1411365384081 = 3284761^2 + 1188009^2 .

It is not an unprimeable number, because it can be changed into a prime (12201020211203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35907568 + ... + 36245764.

Almost surely, 2^{12201020211202} is an apocalyptic number.

12201020211202 is a deficient number, since it is larger than the sum of its proper divisors (6168873790838).

12201020211202 is a wasteful number, since it uses less digits than its factorization.

12201020211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405525.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12201020211202 its reverse (20211202010221), we get a palindrome (32412222221423).

The spelling of 12201020211202 in words is "twelve trillion, two hundred one billion, twenty million, two hundred eleven thousand, two hundred two".