12002210011221 has 8 divisors (see below), whose sum is σ = 16003398259200. Its totient is φ = 8001247552032.

The previous prime is 12002210011201. The next prime is 12002210011223. The reversal of 12002210011221 is 12211001220021.

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

It is not a de Polignac number, because 12002210011221 - 2⁵ = 12002210011189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12002210011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002210011223) 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, 56323125 + ... + 56535818.

It is an arithmetic number, because the mean of its divisors is an integer number (2000424782400).

Almost surely, 2^{12002210011221} is an apocalyptic number.

It is an amenable number.

12002210011221 is a deficient number, since it is larger than the sum of its proper divisors (4001188247979).

12002210011221 is a wasteful number, since it uses less digits than its factorization.

12002210011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112894395.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12002210011221 its reverse (12211001220021), we get a palindrome (24213211231242).

The spelling of 12002210011221 in words is "twelve trillion, two billion, two hundred ten million, eleven thousand, two hundred twenty-one".