12050725657 has 2 divisors, whose sum is σ = 12050725658. Its totient is φ = 12050725656.

The previous prime is 12050725613. The next prime is 12050725681. The reversal of 12050725657 is 75652705021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11999230681 + 51494976 = 109541^2 + 7176^2 .

It is an emirp because it is prime and its reverse (75652705021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12050725657 - 2³¹ = 9903242009 is a prime.

It is not a weakly prime, because it can be changed into another prime (12050725157) 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, 6025362828 + 6025362829.

It is an arithmetic number, because the mean of its divisors is an integer number (6025362829).

Almost surely, 2^12050725657 is an apocalyptic number.

It is an amenable number.

12050725657 is a deficient number, since it is larger than the sum of its proper divisors (1).

12050725657 is an equidigital number, since it uses as much as digits as its factorization.

12050725657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147000, while the sum is 40.

The spelling of 12050725657 in words is "twelve billion, fifty million, seven hundred twenty-five thousand, six hundred fifty-seven".