12223611577 has 2 divisors, whose sum is σ = 12223611578. Its totient is φ = 12223611576.

The previous prime is 12223611529. The next prime is 12223611583. The reversal of 12223611577 is 77511632221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11562915961 + 660695616 = 107531^2 + 25704^2 .

It is a cyclic number.

It is not a de Polignac number, because 12223611577 - 2¹¹ = 12223609529 is a prime.

It is not a weakly prime, because it can be changed into another prime (12223611977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111805788 + 6111805789.

It is an arithmetic number, because the mean of its divisors is an integer number (6111805789).

Almost surely, 2^12223611577 is an apocalyptic number.

It is an amenable number.

12223611577 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223611577 is an equidigital number, since it uses as much as digits as its factorization.

12223611577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 37.

The spelling of 12223611577 in words is "twelve billion, two hundred twenty-three million, six hundred eleven thousand, five hundred seventy-seven".