12660971201 has 2 divisors, whose sum is σ = 12660971202. Its totient is φ = 12660971200.

The previous prime is 12660971171. The next prime is 12660971227. The reversal of 12660971201 is 10217906621.

12660971201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10983249601 + 1677721600 = 104801^2 + 40960^2 .

It is a cyclic number.

It is not a de Polignac number, because 12660971201 - 2³⁰ = 11587229377 is a prime.

It is a super-3 number, since 3×12660971201³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12660971231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6330485600 + 6330485601.

It is an arithmetic number, because the mean of its divisors is an integer number (6330485601).

Almost surely, 2^12660971201 is an apocalyptic number.

It is an amenable number.

12660971201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12660971201 is an equidigital number, since it uses as much as digits as its factorization.

12660971201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 12660971201 in words is "twelve billion, six hundred sixty million, nine hundred seventy-one thousand, two hundred one".