12221120323 has 2 divisors, whose sum is σ = 12221120324. Its totient is φ = 12221120322.

The previous prime is 12221120309. The next prime is 12221120341. The reversal of 12221120323 is 32302112221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12221120323 - 2¹³ = 12221112131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12221120323.

It is not a weakly prime, because it can be changed into another prime (12221120623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110560161 + 6110560162.

It is an arithmetic number, because the mean of its divisors is an integer number (6110560162).

Almost surely, 2^12221120323 is an apocalyptic number.

12221120323 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221120323 is an equidigital number, since it uses as much as digits as its factorization.

12221120323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12221120323 its reverse (32302112221), we get a palindrome (44523232544).

The spelling of 12221120323 in words is "twelve billion, two hundred twenty-one million, one hundred twenty thousand, three hundred twenty-three".