12012200002221 has 8 divisors (see below), whose sum is σ = 16077165023040. Its totient is φ = 7977684158112.

The previous prime is 12012200002207. The next prime is 12012200002237. The reversal of 12012200002221 is 12220000221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12012200002221 - 2⁶ = 12012200002157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12012200002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012200002241) 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 7 ways as a sum of consecutive naturals, for example, 7612293256 + ... + 7612294833.

It is an arithmetic number, because the mean of its divisors is an integer number (2009645627880).

Almost surely, 2^{12012200002221} is an apocalyptic number.

It is an amenable number.

12012200002221 is a deficient number, since it is larger than the sum of its proper divisors (4064965020819).

12012200002221 is a wasteful number, since it uses less digits than its factorization.

12012200002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15224588355.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12012200002221 its reverse (12220000221021), we get a palindrome (24232200223242).

The spelling of 12012200002221 in words is "twelve trillion, twelve billion, two hundred million, two thousand, two hundred twenty-one".