12080942609 has 4 divisors (see below), whose sum is σ = 12126878016. Its totient is φ = 12035007204.

The previous prime is 12080942597. The next prime is 12080942623. The reversal of 12080942609 is 90624908021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90624908021 = 131 ⋅691793191.

It is a cyclic number.

It is not a de Polignac number, because 12080942609 - 2¹⁶ = 12080877073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12080944609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22967309 + ... + 22967834.

It is an arithmetic number, because the mean of its divisors is an integer number (3031719504).

Almost surely, 2^12080942609 is an apocalyptic number.

It is an amenable number.

12080942609 is a deficient number, since it is larger than the sum of its proper divisors (45935407).

12080942609 is an equidigital number, since it uses as much as digits as its factorization.

12080942609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45935406.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 12080942609 in words is "twelve billion, eighty million, nine hundred forty-two thousand, six hundred nine".