12516977093 has 2 divisors, whose sum is σ = 12516977094. Its totient is φ = 12516977092.

The previous prime is 12516977059. The next prime is 12516977101. The reversal of 12516977093 is 39077961521.

12516977093 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., 12392587684 + 124389409 = 111322^2 + 11153^2 .

It is a cyclic number.

It is not a de Polignac number, because 12516977093 - 2⁸ = 12516976837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12516977023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6258488546 + 6258488547.

It is an arithmetic number, because the mean of its divisors is an integer number (6258488547).

Almost surely, 2^12516977093 is an apocalyptic number.

It is an amenable number.

12516977093 is a deficient number, since it is larger than the sum of its proper divisors (1).

12516977093 is an equidigital number, since it uses as much as digits as its factorization.

12516977093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 714420, while the sum is 50.

The spelling of 12516977093 in words is "twelve billion, five hundred sixteen million, nine hundred seventy-seven thousand, ninety-three".