12025134535529 has 2 divisors, whose sum is σ = 12025134535530. Its totient is φ = 12025134535528.

The previous prime is 12025134535499. The next prime is 12025134535537. The reversal of 12025134535529 is 92553543152021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6885061123600 + 5140073411929 = 2623940^2 + 2267173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12025134535529 is a prime.

It is not a weakly prime, because it can be changed into another prime (12025134535829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6012567267764 + 6012567267765.

It is an arithmetic number, because the mean of its divisors is an integer number (6012567267765).

Almost surely, 2^{12025134535529} is an apocalyptic number.

It is an amenable number.

12025134535529 is a deficient number, since it is larger than the sum of its proper divisors (1).

12025134535529 is an equidigital number, since it uses as much as digits as its factorization.

12025134535529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 12025134535529 in words is "twelve trillion, twenty-five billion, one hundred thirty-four million, five hundred thirty-five thousand, five hundred twenty-nine".