12200211221211 has 12 divisors (see below), whose sum is σ = 18978106344288. Its totient is φ = 7507822289904.

The previous prime is 12200211221189. The next prime is 12200211221279. The reversal of 12200211221211 is 11212211200221.

12200211221211 is a `hidden beast` number, since 1 + 2 + 20 + 0 + 211 + 221 + 211 = 666.

It is not a de Polignac number, because 12200211221211 - 2¹⁵ = 12200211188443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12200111221211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52137654675 + ... + 52137654908.

It is an arithmetic number, because the mean of its divisors is an integer number (1581508862024).

Almost surely, 2^{12200211221211} is an apocalyptic number.

12200211221211 is a deficient number, since it is larger than the sum of its proper divisors (6777895123077).

12200211221211 is a wasteful number, since it uses less digits than its factorization.

12200211221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104275309602 (or 104275309599 counting only the distinct ones).

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

Adding to 12200211221211 its reverse (11212211200221), we get a palindrome (23412422421432).

The spelling of 12200211221211 in words is "twelve trillion, two hundred billion, two hundred eleven million, two hundred twenty-one thousand, two hundred eleven".