12021122332321 has 8 divisors (see below), whose sum is σ = 12145716590400. Its totient is φ = 11897119971600.

The previous prime is 12021122332259. The next prime is 12021122332333. The reversal of 12021122332321 is 12323322112021.

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 12021122332321 - 2²⁵ = 12021088777889 is a prime.

It is a super-3 number, since 3×12021122332321³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021122332391) 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, 147933511 + ... + 148014748.

It is an arithmetic number, because the mean of its divisors is an integer number (1518214573800).

Almost surely, 2^{12021122332321} is an apocalyptic number.

It is an amenable number.

12021122332321 is a deficient number, since it is larger than the sum of its proper divisors (124594258079).

12021122332321 is a wasteful number, since it uses less digits than its factorization.

12021122332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295948679.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12021122332321 its reverse (12323322112021), we get a palindrome (24344444444342).

The spelling of 12021122332321 in words is "twelve trillion, twenty-one billion, one hundred twenty-two million, three hundred thirty-two thousand, three hundred twenty-one".