12221002330023 has 4 divisors (see below), whose sum is σ = 16294669773368. Its totient is φ = 8147334886680.

The previous prime is 12221002330013. The next prime is 12221002330091. The reversal of 12221002330023 is 32003320012221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12221002330023 - 2⁴ = 12221002330007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221002330013) 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 3 ways as a sum of consecutive naturals, for example, 2036833721668 + ... + 2036833721673.

It is an arithmetic number, because the mean of its divisors is an integer number (4073667443342).

Almost surely, 2^{12221002330023} is an apocalyptic number.

12221002330023 is a deficient number, since it is larger than the sum of its proper divisors (4073667443345).

12221002330023 is an equidigital number, since it uses as much as digits as its factorization.

12221002330023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073667443344.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12221002330023 its reverse (32003320012221), we get a palindrome (44224322342244).

The spelling of 12221002330023 in words is "twelve trillion, two hundred twenty-one billion, two million, three hundred thirty thousand, twenty-three".