12121433323321 has 8 divisors (see below), whose sum is σ = 13890206247104. Its totient is φ = 10361945297520.

The previous prime is 12121433323283. The next prime is 12121433323333. The reversal of 12121433323321 is 12332333412121.

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 12121433323321 - 2³⁵ = 12087073584953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121433323621) 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, 2321221695 + ... + 2321226916.

It is an arithmetic number, because the mean of its divisors is an integer number (1736275780888).

Almost surely, 2^{12121433323321} is an apocalyptic number.

It is an amenable number.

12121433323321 is a deficient number, since it is larger than the sum of its proper divisors (1768772923783).

12121433323321 is an equidigital number, since it uses as much as digits as its factorization.

12121433323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642448991.

The product of its digits is 15552, while the sum is 31.

Adding to 12121433323321 its reverse (12332333412121), we get a palindrome (24453766735442).

The spelling of 12121433323321 in words is "twelve trillion, one hundred twenty-one billion, four hundred thirty-three million, three hundred twenty-three thousand, three hundred twenty-one".