12500134212271 has 2 divisors, whose sum is σ = 12500134212272. Its totient is φ = 12500134212270.

The previous prime is 12500134212257. The next prime is 12500134212341. The reversal of 12500134212271 is 17221243100521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12500134212271 - 2³³ = 12491544277679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12500134212221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250067106135 + 6250067106136.

It is an arithmetic number, because the mean of its divisors is an integer number (6250067106136).

Almost surely, 2^{12500134212271} is an apocalyptic number.

12500134212271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12500134212271 is an equidigital number, since it uses as much as digits as its factorization.

12500134212271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 12500134212271 its reverse (17221243100521), we get a palindrome (29721377312792).

The spelling of 12500134212271 in words is "twelve trillion, five hundred billion, one hundred thirty-four million, two hundred twelve thousand, two hundred seventy-one".