12126011 has 2 divisors, whose sum is σ = 12126012. Its totient is φ = 12126010.

The previous prime is 12126001. The next prime is 12126041. The reversal of 12126011 is 11062121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12126011 - 2¹⁸ = 11863867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12126001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6063005 + 6063006.

It is an arithmetic number, because the mean of its divisors is an integer number (6063006).

Almost surely, 2^12126011 is an apocalyptic number.

12126011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12126011 is an equidigital number, since it uses as much as digits as its factorization.

12126011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 12126011 is about 3482.2422374097. The cubic root of 12126011 is about 229.7414296461.

Adding to 12126011 its reverse (11062121), we get a palindrome (23188132).

The spelling of 12126011 in words is "twelve million, one hundred twenty-six thousand, eleven".