12220120221211 has 16 divisors (see below), whose sum is σ = 14701956121600. Its totient is φ = 9922389902208.

The previous prime is 12220120221193. The next prime is 12220120221259. The reversal of 12220120221211 is 11212202102221.

It is not a de Polignac number, because 12220120221211 - 2¹¹ = 12220120219163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220120521211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1455246 + ... + 5153443.

It is an arithmetic number, because the mean of its divisors is an integer number (918872257600).

Almost surely, 2^{12220120221211} is an apocalyptic number.

12220120221211 is a deficient number, since it is larger than the sum of its proper divisors (2481835900389).

12220120221211 is a wasteful number, since it uses less digits than its factorization.

12220120221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622618.

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

Adding to 12220120221211 its reverse (11212202102221), we get a palindrome (23432322323432).

The spelling of 12220120221211 in words is "twelve trillion, two hundred twenty billion, one hundred twenty million, two hundred twenty-one thousand, two hundred eleven".