12012220102211 has 32 divisors (see below), whose sum is σ = 14672751754752. Its totient is φ = 9599240194560.

The previous prime is 12012220102189. The next prime is 12012220102237. The reversal of 12012220102211 is 11220102221021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012220102211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 12012220102211.

It is not an unprimeable number, because it can be changed into a prime (12012220102261) 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, 224035796 + ... + 224089406.

It is an arithmetic number, because the mean of its divisors is an integer number (458523492336).

Almost surely, 2^{12012220102211} is an apocalyptic number.

12012220102211 is a deficient number, since it is larger than the sum of its proper divisors (2660531652541).

12012220102211 is a wasteful number, since it uses less digits than its factorization.

12012220102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71339.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12012220102211 its reverse (11220102221021), we get a palindrome (23232322323232).

The spelling of 12012220102211 in words is "twelve trillion, twelve billion, two hundred twenty million, one hundred two thousand, two hundred eleven".