12225311443 has 2 divisors, whose sum is σ = 12225311444. Its totient is φ = 12225311442.

The previous prime is 12225311411. The next prime is 12225311453. The reversal of 12225311443 is 34411352221.

It is a strong prime.

It is an emirp because it is prime and its reverse (34411352221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12225311443 - 2⁵ = 12225311411 is a prime.

It is not a weakly prime, because it can be changed into another prime (12225311453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112655721 + 6112655722.

It is an arithmetic number, because the mean of its divisors is an integer number (6112655722).

Almost surely, 2^12225311443 is an apocalyptic number.

12225311443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12225311443 is an equidigital number, since it uses as much as digits as its factorization.

12225311443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 28.

Adding to 12225311443 its reverse (34411352221), we get a palindrome (46636663664).

The spelling of 12225311443 in words is "twelve billion, two hundred twenty-five million, three hundred eleven thousand, four hundred forty-three".