12091209167 has 2 divisors, whose sum is σ = 12091209168. Its totient is φ = 12091209166.

The previous prime is 12091209157. The next prime is 12091209233. The reversal of 12091209167 is 76190219021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12091209167 - 2¹⁴ = 12091192783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12091209167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12091209107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6045604583 + 6045604584.

It is an arithmetic number, because the mean of its divisors is an integer number (6045604584).

Almost surely, 2^12091209167 is an apocalyptic number.

12091209167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12091209167 is an equidigital number, since it uses as much as digits as its factorization.

12091209167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The spelling of 12091209167 in words is "twelve billion, ninety-one million, two hundred nine thousand, one hundred sixty-seven".