12750280027 has 2 divisors, whose sum is σ = 12750280028. Its totient is φ = 12750280026.

The previous prime is 12750280021. The next prime is 12750280043. The reversal of 12750280027 is 72008205721.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12750280027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12750279974 and 12750280001.

It is not a weakly prime, because it can be changed into another prime (12750280021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375140013 + 6375140014.

It is an arithmetic number, because the mean of its divisors is an integer number (6375140014).

Almost surely, 2^12750280027 is an apocalyptic number.

12750280027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12750280027 is an equidigital number, since it uses as much as digits as its factorization.

12750280027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 34.

Adding to 12750280027 its reverse (72008205721), we get a palindrome (84758485748).

The spelling of 12750280027 in words is "twelve billion, seven hundred fifty million, two hundred eighty thousand, twenty-seven".