12221003021323 has 16 divisors (see below), whose sum is σ = 12881036731680. Its totient is φ = 11578247847936.

The previous prime is 12221003021299. The next prime is 12221003021333. The reversal of 12221003021323 is 32312030012221.

12221003021323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12221003021323 - 2²⁵ = 12220969466891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12221003021294 and 12221003021303.

It is not an unprimeable number, because it can be changed into a prime (12221003021333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11737536 + ... + 12736237.

It is an arithmetic number, because the mean of its divisors is an integer number (805064795730).

Almost surely, 2^{12221003021323} is an apocalyptic number.

12221003021323 is a deficient number, since it is larger than the sum of its proper divisors (660033710357).

12221003021323 is a wasteful number, since it uses less digits than its factorization.

12221003021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24474126.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12221003021323 its reverse (32312030012221), we get a palindrome (44533033033544).

The spelling of 12221003021323 in words is "twelve trillion, two hundred twenty-one billion, three million, twenty-one thousand, three hundred twenty-three".