12542657027 has 2 divisors, whose sum is σ = 12542657028. Its totient is φ = 12542657026.

The previous prime is 12542656969. The next prime is 12542657051. The reversal of 12542657027 is 72075624521.

It is a strong prime.

It is an emirp because it is prime and its reverse (72075624521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12542657027 - 2⁸ = 12542656771 is a prime.

It is not a weakly prime, because it can be changed into another prime (12542657087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6271328513 + 6271328514.

It is an arithmetic number, because the mean of its divisors is an integer number (6271328514).

Almost surely, 2^12542657027 is an apocalyptic number.

12542657027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12542657027 is an equidigital number, since it uses as much as digits as its factorization.

12542657027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 12542657027 in words is "twelve billion, five hundred forty-two million, six hundred fifty-seven thousand, twenty-seven".