12081969184289 has 2 divisors, whose sum is σ = 12081969184290. Its totient is φ = 12081969184288.

The previous prime is 12081969184273. The next prime is 12081969184309. The reversal of 12081969184289 is 98248196918021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11208133101025 + 873836083264 = 3347855^2 + 934792^2 .

It is a cyclic number.

It is not a de Polignac number, because 12081969184289 - 2⁴ = 12081969184273 is a prime.

It is not a weakly prime, because it can be changed into another prime (12081969984289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6040984592144 + 6040984592145.

It is an arithmetic number, because the mean of its divisors is an integer number (6040984592145).

Almost surely, 2^{12081969184289} is an apocalyptic number.

It is an amenable number.

12081969184289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12081969184289 is an equidigital number, since it uses as much as digits as its factorization.

12081969184289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35831808, while the sum is 68.

The spelling of 12081969184289 in words is "twelve trillion, eighty-one billion, nine hundred sixty-nine million, one hundred eighty-four thousand, two hundred eighty-nine".