12212120002211 has 4 divisors (see below), whose sum is σ = 12221506721424. Its totient is φ = 12202733283000.

The previous prime is 12212120002163. The next prime is 12212120002253. The reversal of 12212120002211 is 11220002121221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12212120002211 - 2²² = 12212115807907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12212120002211.

It is not an unprimeable number, because it can be changed into a prime (12212120052211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4693357655 + ... + 4693360256.

It is an arithmetic number, because the mean of its divisors is an integer number (3055376680356).

Almost surely, 2^{12212120002211} is an apocalyptic number.

12212120002211 is a deficient number, since it is larger than the sum of its proper divisors (9386719213).

12212120002211 is an equidigital number, since it uses as much as digits as its factorization.

12212120002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9386719212.

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

Adding to 12212120002211 its reverse (11220002121221), we get a palindrome (23432122123432).

The spelling of 12212120002211 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, two thousand, two hundred eleven".