12020330332321 has 24 divisors (see below), whose sum is σ = 13308176729120. Its totient is φ = 10825737759936.

The previous prime is 12020330332319. The next prime is 12020330332357. The reversal of 12020330332321 is 12323303302021.

It is not a de Polignac number, because 12020330332321 - 2¹ = 12020330332319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020330330321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2030196 + ... + 5306821.

Almost surely, 2^{12020330332321} is an apocalyptic number.

It is an amenable number.

12020330332321 is a deficient number, since it is larger than the sum of its proper divisors (1287846396799).

12020330332321 is a wasteful number, since it uses less digits than its factorization.

12020330332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337245 (or 7337222 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 12020330332321 its reverse (12323303302021), we get a palindrome (24343633634342).

The spelling of 12020330332321 in words is "twelve trillion, twenty billion, three hundred thirty million, three hundred thirty-two thousand, three hundred twenty-one".