12050261220757 has 2 divisors, whose sum is σ = 12050261220758. Its totient is φ = 12050261220756.

The previous prime is 12050261220743. The next prime is 12050261220779. The reversal of 12050261220757 is 75702216205021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10932221444881 + 1118039775876 = 3306391^2 + 1057374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12050261220757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12050261220787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6025130610378 + 6025130610379.

It is an arithmetic number, because the mean of its divisors is an integer number (6025130610379).

Almost surely, 2^{12050261220757} is an apocalyptic number.

It is an amenable number.

12050261220757 is a deficient number, since it is larger than the sum of its proper divisors (1).

12050261220757 is an equidigital number, since it uses as much as digits as its factorization.

12050261220757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 40.

Adding to 12050261220757 its reverse (75702216205021), we get a palindrome (87752477425778).

The spelling of 12050261220757 in words is "twelve trillion, fifty billion, two hundred sixty-one million, two hundred twenty thousand, seven hundred fifty-seven".