12097327280909 has 32 divisors (see below), whose sum is σ = 13631257221120. Its totient is φ = 10661306803200.

The previous prime is 12097327280893. The next prime is 12097327280911. The reversal of 12097327280909 is 90908272379021.

It is a cyclic number.

It is not a de Polignac number, because 12097327280909 - 2⁴ = 12097327280893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12097327280959) 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 in 31 ways as a sum of consecutive naturals, for example, 246452249 + ... + 246501329.

It is an arithmetic number, because the mean of its divisors is an integer number (425976788160).

Almost surely, 2^{12097327280909} is an apocalyptic number.

It is an amenable number.

12097327280909 is a deficient number, since it is larger than the sum of its proper divisors (1533929940211).

12097327280909 is a wasteful number, since it uses less digits than its factorization.

12097327280909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59021.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The spelling of 12097327280909 in words is "twelve trillion, ninety-seven billion, three hundred twenty-seven million, two hundred eighty thousand, nine hundred nine".