12750279947 has 2 divisors, whose sum is σ = 12750279948. Its totient is φ = 12750279946.

The previous prime is 12750279887. The next prime is 12750280021. The reversal of 12750279947 is 74997205721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12750279947 - 2¹⁰ = 12750278923 is a prime.

It is a super-3 number, since 3×12750279947³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12750279247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375139973 + 6375139974.

It is an arithmetic number, because the mean of its divisors is an integer number (6375139974).

Almost surely, 2^12750279947 is an apocalyptic number.

12750279947 is a deficient number, since it is larger than the sum of its proper divisors (1).

12750279947 is an equidigital number, since it uses as much as digits as its factorization.

12750279947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 12750279947 in words is "twelve billion, seven hundred fifty million, two hundred seventy-nine thousand, nine hundred forty-seven".