12224577361 has 2 divisors, whose sum is σ = 12224577362. Its totient is φ = 12224577360.

The previous prime is 12224577353. The next prime is 12224577383. The reversal of 12224577361 is 16377542221.

12224577361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7828887361 + 4395690000 = 88481^2 + 66300^2 .

It is an emirp because it is prime and its reverse (16377542221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12224577361 - 2³ = 12224577353 is a prime.

It is not a weakly prime, because it can be changed into another prime (12224577331) 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, 6112288680 + 6112288681.

It is an arithmetic number, because the mean of its divisors is an integer number (6112288681).

Almost surely, 2^12224577361 is an apocalyptic number.

It is an amenable number.

12224577361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12224577361 is an equidigital number, since it uses as much as digits as its factorization.

12224577361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The spelling of 12224577361 in words is "twelve billion, two hundred twenty-four million, five hundred seventy-seven thousand, three hundred sixty-one".