12210221210211 has 40 divisors (see below), whose sum is σ = 19314103335120. Its totient is φ = 7660837481472.

The previous prime is 12210221210167. The next prime is 12210221210237. The reversal of 12210221210211 is 11201212201221.

12210221210211 is a `hidden beast` number, since 1 + 2 + 21 + 0 + 221 + 210 + 211 = 666.

It is not a de Polignac number, because 12210221210211 - 2²³ = 12210212821603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12210221210251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22492200 + ... + 23028666.

It is an arithmetic number, because the mean of its divisors is an integer number (482852583378).

Almost surely, 2^{12210221210211} is an apocalyptic number.

12210221210211 is a deficient number, since it is larger than the sum of its proper divisors (7103882124909).

12210221210211 is a wasteful number, since it uses less digits than its factorization.

12210221210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553025 (or 553016 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12210221210211 its reverse (11201212201221), we get a palindrome (23411433411432).

The spelling of 12210221210211 in words is "twelve trillion, two hundred ten billion, two hundred twenty-one million, two hundred ten thousand, two hundred eleven".