12002221221211 has 8 divisors (see below), whose sum is σ = 12925499590080. Its totient is φ = 11078947221312.

The previous prime is 12002221221197. The next prime is 12002221221239. The reversal of 12002221221211 is 11212212220021.

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 12002221221211 - 2³⁷ = 11864782267739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002221221311) 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, 6641631 + ... + 8253223.

It is an arithmetic number, because the mean of its divisors is an integer number (1615687448760).

Almost surely, 2^{12002221221211} is an apocalyptic number.

12002221221211 is a deficient number, since it is larger than the sum of its proper divisors (923278368869).

12002221221211 is a wasteful number, since it uses less digits than its factorization.

12002221221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184485.

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

Adding to 12002221221211 its reverse (11212212220021), we get a palindrome (23214433441232).

The spelling of 12002221221211 in words is "twelve trillion, two billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred eleven".