12002303331221 has 16 divisors (see below), whose sum is σ = 14529282898176. Its totient is φ = 9678872238336.

The previous prime is 12002303331211. The next prime is 12002303331241. The reversal of 12002303331221 is 12213330320021.

It is not a de Polignac number, because 12002303331221 - 2¹⁰ = 12002303330197 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 (12002303331211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18736706 + ... + 19366691.

It is an arithmetic number, because the mean of its divisors is an integer number (908080181136).

Almost surely, 2^{12002303331221} is an apocalyptic number.

It is an amenable number.

12002303331221 is a deficient number, since it is larger than the sum of its proper divisors (2526979566955).

12002303331221 is a wasteful number, since it uses less digits than its factorization.

12002303331221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38106068.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12002303331221 its reverse (12213330320021), we get a palindrome (24215633651242).

The spelling of 12002303331221 in words is "twelve trillion, two billion, three hundred three million, three hundred thirty-one thousand, two hundred twenty-one".