12000221221211 has 8 divisors (see below), whose sum is σ = 12101689793424. Its totient is φ = 11899157713920.

The previous prime is 12000221221199. The next prime is 12000221221283. The reversal of 12000221221211 is 11212212200021.

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

It is a cyclic number.

It is not a de Polignac number, because 12000221221211 - 2³⁴ = 11983041352027 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 12000221221211.

It is not an unprimeable number, because it can be changed into a prime (12000221211211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101206730 + ... + 101325231.

It is an arithmetic number, because the mean of its divisors is an integer number (1512711224178).

Almost surely, 2^{12000221221211} is an apocalyptic number.

12000221221211 is a deficient number, since it is larger than the sum of its proper divisors (101468572213).

12000221221211 is a wasteful number, since it uses less digits than its factorization.

12000221221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202532461.

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

Adding to 12000221221211 its reverse (11212212200021), we get a palindrome (23212433421232).

The spelling of 12000221221211 in words is "twelve trillion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred eleven".