12994566973 has 2 divisors, whose sum is σ = 12994566974. Its totient is φ = 12994566972.

The previous prime is 12994566971. The next prime is 12994566983. The reversal of 12994566973 is 37966549921.

12994566973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11845492569 + 1149074404 = 108837^2 + 33898^2 .

It is a cyclic number.

It is not a de Polignac number, because 12994566973 - 2¹ = 12994566971 is a prime.

Together with 12994566971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12994566971) 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, 6497283486 + 6497283487.

It is an arithmetic number, because the mean of its divisors is an integer number (6497283487).

Almost surely, 2^12994566973 is an apocalyptic number.

It is an amenable number.

12994566973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12994566973 is an equidigital number, since it uses as much as digits as its factorization.

12994566973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22044960, while the sum is 61.

The spelling of 12994566973 in words is "twelve billion, nine hundred ninety-four million, five hundred sixty-six thousand, nine hundred seventy-three".