12201220221211 has 32 divisors (see below), whose sum is σ = 14290442496000. Its totient is φ = 10201020560640.

The previous prime is 12201220221199. The next prime is 12201220221283. The reversal of 12201220221211 is 11212202210221.

It is a de Polignac number, because none of the positive numbers 2^k-12201220221211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201220225211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45632890 + ... + 45899488.

It is an arithmetic number, because the mean of its divisors is an integer number (446576328000).

Almost surely, 2^{12201220221211} is an apocalyptic number.

12201220221211 is a deficient number, since it is larger than the sum of its proper divisors (2089222274789).

12201220221211 is a wasteful number, since it uses less digits than its factorization.

12201220221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267379.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12201220221211 its reverse (11212202210221), we get a palindrome (23413422431432).

The spelling of 12201220221211 in words is "twelve trillion, two hundred one billion, two hundred twenty million, two hundred twenty-one thousand, two hundred eleven".