12275209757 has 2 divisors, whose sum is σ = 12275209758. Its totient is φ = 12275209756.

The previous prime is 12275209691. The next prime is 12275209759. The reversal of 12275209757 is 75790257221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11544642916 + 730566841 = 107446^2 + 27029^2 .

It is a cyclic number.

It is not a de Polignac number, because 12275209757 - 2⁸ = 12275209501 is a prime.

Together with 12275209759, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12275209759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6137604878 + 6137604879.

It is an arithmetic number, because the mean of its divisors is an integer number (6137604879).

Almost surely, 2^12275209757 is an apocalyptic number.

It is an amenable number.

12275209757 is a deficient number, since it is larger than the sum of its proper divisors (1).

12275209757 is an equidigital number, since it uses as much as digits as its factorization.

12275209757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 617400, while the sum is 47.

The spelling of 12275209757 in words is "twelve billion, two hundred seventy-five million, two hundred nine thousand, seven hundred fifty-seven".