12232221121121 has 8 divisors (see below), whose sum is σ = 12271691889600. Its totient is φ = 12192751243440.

The previous prime is 12232221121093. The next prime is 12232221121123. The reversal of 12232221121121 is 12112112223221.

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 12232221121121 - 2¹⁴ = 12232221104737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12232221121123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37649315 + ... + 37972823.

It is an arithmetic number, because the mean of its divisors is an integer number (1533961486200).

Almost surely, 2^{12232221121121} is an apocalyptic number.

It is an amenable number.

12232221121121 is a deficient number, since it is larger than the sum of its proper divisors (39470768479).

12232221121121 is a wasteful number, since it uses less digits than its factorization.

12232221121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445399.

The product of its digits is 384, while the sum is 23.

Adding to 12232221121121 its reverse (12112112223221), we get a palindrome (24344333344342).

The spelling of 12232221121121 in words is "twelve trillion, two hundred thirty-two billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty-one".