12223125679 has 2 divisors, whose sum is σ = 12223125680. Its totient is φ = 12223125678.

The previous prime is 12223125659. The next prime is 12223125683. The reversal of 12223125679 is 97652132221.

12223125679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12223125679 - 2¹¹ = 12223123631 is a prime.

It is a super-2 number, since 2×12223125679² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12223125659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111562839 + 6111562840.

It is an arithmetic number, because the mean of its divisors is an integer number (6111562840).

Almost surely, 2^12223125679 is an apocalyptic number.

12223125679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223125679 is an equidigital number, since it uses as much as digits as its factorization.

12223125679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The spelling of 12223125679 in words is "twelve billion, two hundred twenty-three million, one hundred twenty-five thousand, six hundred seventy-nine".