12002201222221 has 8 divisors (see below), whose sum is σ = 13776700094720. Its totient is φ = 10242677024208.

The previous prime is 12002201222119. The next prime is 12002201222311. The reversal of 12002201222221 is 12222210220021.

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 12002201222221 - 2¹¹ = 12002201220173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002201220221) 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, 3743666901 + ... + 3743670106.

It is an arithmetic number, because the mean of its divisors is an integer number (1722087511840).

Almost surely, 2^{12002201222221} is an apocalyptic number.

It is an amenable number.

12002201222221 is a deficient number, since it is larger than the sum of its proper divisors (1774498872499).

12002201222221 is an equidigital number, since it uses as much as digits as its factorization.

12002201222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487337243.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12002201222221 its reverse (12222210220021), we get a palindrome (24224411442242).

The spelling of 12002201222221 in words is "twelve trillion, two billion, two hundred one million, two hundred twenty-two thousand, two hundred twenty-one".