12259227077 has 2 divisors, whose sum is σ = 12259227078. Its totient is φ = 12259227076.

The previous prime is 12259227067. The next prime is 12259227089. The reversal of 12259227077 is 77072295221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10355301121 + 1903925956 = 101761^2 + 43634^2 .

It is a cyclic number.

It is not a de Polignac number, because 12259227077 - 2⁸ = 12259226821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12259227037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6129613538 + 6129613539.

It is an arithmetic number, because the mean of its divisors is an integer number (6129613539).

Almost surely, 2^12259227077 is an apocalyptic number.

It is an amenable number.

12259227077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12259227077 is an equidigital number, since it uses as much as digits as its factorization.

12259227077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 12259227077 in words is "twelve billion, two hundred fifty-nine million, two hundred twenty-seven thousand, seventy-seven".