12126299 has 2 divisors, whose sum is σ = 12126300. Its totient is φ = 12126298.

The previous prime is 12126223. The next prime is 12126307. The reversal of 12126299 is 99262121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12126299 - 2²⁰ = 11077723 is a prime.

It is not a weakly prime, because it can be changed into another prime (12123299) 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, 6063149 + 6063150.

It is an arithmetic number, because the mean of its divisors is an integer number (6063150).

Almost surely, 2^12126299 is an apocalyptic number.

12126299 is a deficient number, since it is larger than the sum of its proper divisors (1).

12126299 is an equidigital number, since it uses as much as digits as its factorization.

12126299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 32.

The square root of 12126299 is about 3482.2835898301. The cubic root of 12126299 is about 229.7432484637.

The spelling of 12126299 in words is "twelve million, one hundred twenty-six thousand, two hundred ninety-nine".