12221313233323 has 4 divisors (see below), whose sum is σ = 12223453199328. Its totient is φ = 12219173267320.

The previous prime is 12221313233249. The next prime is 12221313233341. The reversal of 12221313233323 is 32333231312221.

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

It is a cyclic number.

It is not a de Polignac number, because 12221313233323 - 2⁹ = 12221313232811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221319233323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069974436 + ... + 1069985857.

It is an arithmetic number, because the mean of its divisors is an integer number (3055863299832).

Almost surely, 2^{12221313233323} is an apocalyptic number.

12221313233323 is a deficient number, since it is larger than the sum of its proper divisors (2139966005).

12221313233323 is an equidigital number, since it uses as much as digits as its factorization.

12221313233323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139966004.

The product of its digits is 23328, while the sum is 31.

Adding to 12221313233323 its reverse (32333231312221), we get a palindrome (44554544545544).

The spelling of 12221313233323 in words is "twelve trillion, two hundred twenty-one billion, three hundred thirteen million, two hundred thirty-three thousand, three hundred twenty-three".