12221200202323 has 24 divisors (see below), whose sum is σ = 14432283333312. Its totient is φ = 10316392876944.

The previous prime is 12221200202291. The next prime is 12221200202359. The reversal of 12221200202323 is 32320200212221.

It is not a de Polignac number, because 12221200202323 - 2⁵ = 12221200202291 is a prime.

It is a super-2 number, since 2×12221200202323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12221200202294 and 12221200202303.

It is not an unprimeable number, because it can be changed into a prime (12221200202023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12758440 + ... + 13682842.

It is an arithmetic number, because the mean of its divisors is an integer number (601345138888).

Almost surely, 2^{12221200202323} is an apocalyptic number.

12221200202323 is a deficient number, since it is larger than the sum of its proper divisors (2211083130989).

12221200202323 is an equidigital number, since it uses as much as digits as its factorization.

12221200202323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928511 (or 928504 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12221200202323 its reverse (32320200212221), we get a palindrome (44541400414544).

The spelling of 12221200202323 in words is "twelve trillion, two hundred twenty-one billion, two hundred million, two hundred two thousand, three hundred twenty-three".