12516977203 has 2 divisors, whose sum is σ = 12516977204. Its totient is φ = 12516977202.

The previous prime is 12516977119. The next prime is 12516977219. The reversal of 12516977203 is 30277961521.

12516977203 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 is a cyclic number.

It is not a de Polignac number, because 12516977203 - 2¹⁷ = 12516846131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12516977203.

It is not a weakly prime, because it can be changed into another prime (12516977233) 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, 6258488601 + 6258488602.

It is an arithmetic number, because the mean of its divisors is an integer number (6258488602).

Almost surely, 2^12516977203 is an apocalyptic number.

12516977203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12516977203 is an equidigital number, since it uses as much as digits as its factorization.

12516977203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 12516977203 in words is "twelve billion, five hundred sixteen million, nine hundred seventy-seven thousand, two hundred three".