12205545100271 has 2 divisors, whose sum is σ = 12205545100272. Its totient is φ = 12205545100270.

The previous prime is 12205545100223. The next prime is 12205545100289. The reversal of 12205545100271 is 17200154550221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12205545100271 - 2²² = 12205540905967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12205545190271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102772550135 + 6102772550136.

It is an arithmetic number, because the mean of its divisors is an integer number (6102772550136).

Almost surely, 2^{12205545100271} is an apocalyptic number.

12205545100271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12205545100271 is an equidigital number, since it uses as much as digits as its factorization.

12205545100271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 35.

Adding to 12205545100271 its reverse (17200154550221), we get a palindrome (29405699650492).

The spelling of 12205545100271 in words is "twelve trillion, two hundred five billion, five hundred forty-five million, one hundred thousand, two hundred seventy-one".