12200221221323 has 2 divisors, whose sum is σ = 12200221221324. Its totient is φ = 12200221221322.

The previous prime is 12200221221257. The next prime is 12200221221403. The reversal of 12200221221323 is 32312212200221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12200221221323 is a prime.

It is not a weakly prime, because it can be changed into another prime (12200224221323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100110610661 + 6100110610662.

It is an arithmetic number, because the mean of its divisors is an integer number (6100110610662).

Almost surely, 2^{12200221221323} is an apocalyptic number.

12200221221323 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200221221323 is an equidigital number, since it uses as much as digits as its factorization.

12200221221323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12200221221323 its reverse (32312212200221), we get a palindrome (44512433421544).

The spelling of 12200221221323 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-one thousand, three hundred twenty-three".