12224216489 has 2 divisors, whose sum is σ = 12224216490. Its totient is φ = 12224216488.

The previous prime is 12224216423. The next prime is 12224216507. The reversal of 12224216489 is 98461242221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6555331225 + 5668885264 = 80965^2 + 75292^2 .

It is a cyclic number.

It is not a de Polignac number, because 12224216489 - 2²⁴ = 12207439273 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12224216419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112108244 + 6112108245.

It is an arithmetic number, because the mean of its divisors is an integer number (6112108245).

Almost surely, 2^12224216489 is an apocalyptic number.

It is an amenable number.

12224216489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12224216489 is an equidigital number, since it uses as much as digits as its factorization.

12224216489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The spelling of 12224216489 in words is "twelve billion, two hundred twenty-four million, two hundred sixteen thousand, four hundred eighty-nine".