12520505526211 has 2 divisors, whose sum is σ = 12520505526212. Its totient is φ = 12520505526210.

The previous prime is 12520505526157. The next prime is 12520505526227. The reversal of 12520505526211 is 11262550502521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12520505526211 - 2⁹ = 12520505525699 is a prime.

It is not a weakly prime, because it can be changed into another prime (12520505526281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260252763105 + 6260252763106.

It is an arithmetic number, because the mean of its divisors is an integer number (6260252763106).

Almost surely, 2^{12520505526211} is an apocalyptic number.

12520505526211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12520505526211 is an equidigital number, since it uses as much as digits as its factorization.

12520505526211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 12520505526211 in words is "twelve trillion, five hundred twenty billion, five hundred five million, five hundred twenty-six thousand, two hundred eleven".