12303020123077 has 2 divisors, whose sum is σ = 12303020123078. Its totient is φ = 12303020123076.

The previous prime is 12303020122933. The next prime is 12303020123129. The reversal of 12303020123077 is 77032102030321.

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., 12238844540836 + 64175582241 = 3498406^2 + 253329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12303020123077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12303020123477) 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, 6151510061538 + 6151510061539.

It is an arithmetic number, because the mean of its divisors is an integer number (6151510061539).

Almost surely, 2^{12303020123077} is an apocalyptic number.

It is an amenable number.

12303020123077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303020123077 is an equidigital number, since it uses as much as digits as its factorization.

12303020123077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

Adding to 12303020123077 its reverse (77032102030321), we get a palindrome (89335122153398).

The spelling of 12303020123077 in words is "twelve trillion, three hundred three billion, twenty million, one hundred twenty-three thousand, seventy-seven".