12012020208971 has 2 divisors, whose sum is σ = 12012020208972. Its totient is φ = 12012020208970.

The previous prime is 12012020208953. The next prime is 12012020208983. The reversal of 12012020208971 is 17980202021021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12012020208971 - 2¹⁴ = 12012020192587 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012020208871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006010104485 + 6006010104486.

It is an arithmetic number, because the mean of its divisors is an integer number (6006010104486).

Almost surely, 2^{12012020208971} is an apocalyptic number.

12012020208971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012020208971 is an equidigital number, since it uses as much as digits as its factorization.

12012020208971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

Adding to 12012020208971 its reverse (17980202021021), we get a palindrome (29992222229992).

The spelling of 12012020208971 in words is "twelve trillion, twelve billion, twenty million, two hundred eight thousand, nine hundred seventy-one".