12323012111221 has 8 divisors (see below), whose sum is σ = 14161251488384. Its totient is φ = 10504225002960.

The previous prime is 12323012111183. The next prime is 12323012111243. The reversal of 12323012111221 is 12211121032321.

It is a happy number.

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 12323012111221 - 2²³ = 12323003722613 is a prime.

It is a super-2 number, since 2×12323012111221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12323012111192 and 12323012111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323012112221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4863065865 + ... + 4863068398.

It is an arithmetic number, because the mean of its divisors is an integer number (1770156436048).

Almost surely, 2^{12323012111221} is an apocalyptic number.

It is an amenable number.

12323012111221 is a deficient number, since it is larger than the sum of its proper divisors (1838239377163).

12323012111221 is an equidigital number, since it uses as much as digits as its factorization.

12323012111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9726134451.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12323012111221 its reverse (12211121032321), we get a palindrome (24534133143542).

The spelling of 12323012111221 in words is "twelve trillion, three hundred twenty-three billion, twelve million, one hundred eleven thousand, two hundred twenty-one".