12091209107 has 2 divisors, whose sum is σ = 12091209108. Its totient is φ = 12091209106.

The previous prime is 12091209079. The next prime is 12091209127. The reversal of 12091209107 is 70190219021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12091209107 - 2⁸ = 12091208851 is a prime.

It is not a weakly prime, because it can be changed into another prime (12091209127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6045604553 + 6045604554.

It is an arithmetic number, because the mean of its divisors is an integer number (6045604554).

Almost surely, 2^12091209107 is an apocalyptic number.

12091209107 is a deficient number, since it is larger than the sum of its proper divisors (1).

12091209107 is an equidigital number, since it uses as much as digits as its factorization.

12091209107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 12091209107 in words is "twelve billion, ninety-one million, two hundred nine thousand, one hundred seven".