12081969184209 has 8 divisors (see below), whose sum is σ = 16121505512640. Its totient is φ = 8048539489296.

The previous prime is 12081969184141. The next prime is 12081969184273. The reversal of 12081969184209 is 90248196918021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12081969184209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12081969184289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1526653762 + ... + 1526661675.

It is an arithmetic number, because the mean of its divisors is an integer number (2015188189080).

Almost surely, 2^{12081969184209} is an apocalyptic number.

It is an amenable number.

12081969184209 is a deficient number, since it is larger than the sum of its proper divisors (4039536328431).

12081969184209 is a wasteful number, since it uses less digits than its factorization.

12081969184209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053316759.

The product of its (nonzero) digits is 4478976, while the sum is 60.

The spelling of 12081969184209 in words is "twelve trillion, eighty-one billion, nine hundred sixty-nine million, one hundred eighty-four thousand, two hundred nine".