12452811719077 has 2 divisors, whose sum is σ = 12452811719078. Its totient is φ = 12452811719076.

The previous prime is 12452811719003. The next prime is 12452811719137. The reversal of 12452811719077 is 77091711825421.

12452811719077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6296215119076 + 6156596600001 = 2509226^2 + 2481249^2 .

It is a cyclic number.

It is not a de Polignac number, because 12452811719077 - 2²³ = 12452803330469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12452811719977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226405859538 + 6226405859539.

It is an arithmetic number, because the mean of its divisors is an integer number (6226405859539).

Almost surely, 2^{12452811719077} is an apocalyptic number.

It is an amenable number.

12452811719077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12452811719077 is an equidigital number, since it uses as much as digits as its factorization.

12452811719077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 55.

The spelling of 12452811719077 in words is "twelve trillion, four hundred fifty-two billion, eight hundred eleven million, seven hundred nineteen thousand, seventy-seven".