12612457027 has 2 divisors, whose sum is σ = 12612457028. Its totient is φ = 12612457026.

The previous prime is 12612457021. The next prime is 12612457057. The reversal of 12612457027 is 72075421621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12612457027 - 2²³ = 12604068419 is a prime.

It is not a weakly prime, because it can be changed into another prime (12612457021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6306228513 + 6306228514.

It is an arithmetic number, because the mean of its divisors is an integer number (6306228514).

Almost surely, 2^12612457027 is an apocalyptic number.

12612457027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12612457027 is an equidigital number, since it uses as much as digits as its factorization.

12612457027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 12612457027 its reverse (72075421621), we get a palindrome (84687878648).

The spelling of 12612457027 in words is "twelve billion, six hundred twelve million, four hundred fifty-seven thousand, twenty-seven".