12196109 has 2 divisors, whose sum is σ = 12196110. Its totient is φ = 12196108.

The previous prime is 12196087. The next prime is 12196159. The reversal of 12196109 is 90169121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9746884 + 2449225 = 3122^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 12196109 - 2²⁰ = 11147533 is a prime.

It is a super-3 number, since 3×12196109³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12196159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6098054 + 6098055.

It is an arithmetic number, because the mean of its divisors is an integer number (6098055).

Almost surely, 2^12196109 is an apocalyptic number.

It is an amenable number.

12196109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12196109 is an equidigital number, since it uses as much as digits as its factorization.

12196109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 12196109 is about 3492.2927998666. The cubic root of 12196109 is about 230.1832754683.

The spelling of 12196109 in words is "twelve million, one hundred ninety-six thousand, one hundred nine".