12223334566679 has 2 divisors, whose sum is σ = 12223334566680. Its totient is φ = 12223334566678.

The previous prime is 12223334566633. The next prime is 12223334566697. The reversal of 12223334566679 is 97666543332221.

It is a happy number.

Together with next prime (12223334566697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12223334566679 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12223334566279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111667283339 + 6111667283340.

It is an arithmetic number, because the mean of its divisors is an integer number (6111667283340).

Almost surely, 2^{12223334566679} is an apocalyptic number.

12223334566679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223334566679 is an equidigital number, since it uses as much as digits as its factorization.

12223334566679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 59.

The spelling of 12223334566679 in words is "twelve trillion, two hundred twenty-three billion, three hundred thirty-four million, five hundred sixty-six thousand, six hundred seventy-nine".