12020331033321 has 8 divisors (see below), whose sum is σ = 17259962509440. Its totient is φ = 7397126789712.

The previous prime is 12020331033317. The next prime is 12020331033397. The reversal of 12020331033321 is 12333013302021.

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

It is not a de Polignac number, because 12020331033321 - 2² = 12020331033317 is a prime.

It is a super-2 number, since 2×12020331033321² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12020331033291 and 12020331033300.

It is not an unprimeable number, because it can be changed into a prime (12020331038321) 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, 154106808081 + ... + 154106808158.

It is an arithmetic number, because the mean of its divisors is an integer number (2157495313680).

Almost surely, 2^{12020331033321} is an apocalyptic number.

It is an amenable number.

12020331033321 is a deficient number, since it is larger than the sum of its proper divisors (5239631476119).

12020331033321 is a wasteful number, since it uses less digits than its factorization.

12020331033321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308213616255.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 12020331033321 its reverse (12333013302021), we get a palindrome (24353344335342).

The spelling of 12020331033321 in words is "twelve trillion, twenty billion, three hundred thirty-one million, thirty-three thousand, three hundred twenty-one".