12255772247 has 2 divisors, whose sum is σ = 12255772248. Its totient is φ = 12255772246.

The previous prime is 12255772241. The next prime is 12255772301. The reversal of 12255772247 is 74227755221.

It is a happy number.

12255772247 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12255772247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12255772198 and 12255772207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12255772241) 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, 6127886123 + 6127886124.

It is an arithmetic number, because the mean of its divisors is an integer number (6127886124).

Almost surely, 2^12255772247 is an apocalyptic number.

12255772247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12255772247 is an equidigital number, since it uses as much as digits as its factorization.

12255772247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 548800, while the sum is 44.

The spelling of 12255772247 in words is "twelve billion, two hundred fifty-five million, seven hundred seventy-two thousand, two hundred forty-seven".