12220201211211 has 24 divisors (see below), whose sum is σ = 20175115783680. Its totient is φ = 6982250316336.

The previous prime is 12220201211203. The next prime is 12220201211237. The reversal of 12220201211211 is 11211210202221.

12220201211211 is a `hidden beast` number, since 1 + 2 + 220 + 20 + 1 + 211 + 211 = 666.

It is not a de Polignac number, because 12220201211211 - 2³ = 12220201211203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220201211011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9410445 + ... + 10629998.

It is an arithmetic number, because the mean of its divisors is an integer number (840629824320).

Almost surely, 2^{12220201211211} is an apocalyptic number.

12220201211211 is a deficient number, since it is larger than the sum of its proper divisors (7954914572469).

12220201211211 is a wasteful number, since it uses less digits than its factorization.

12220201211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20050135 (or 20050132 counting only the distinct ones).

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

Adding to 12220201211211 its reverse (11211210202221), we get a palindrome (23431411413432).

The spelling of 12220201211211 in words is "twelve trillion, two hundred twenty billion, two hundred one million, two hundred eleven thousand, two hundred eleven".