12126227911 has 12 divisors (see below), whose sum is σ = 14140532640. Its totient is φ = 10368479520.

The previous prime is 12126227851. The next prime is 12126227917. The reversal of 12126227911 is 11972262121.

It is a de Polignac number, because none of the positive numbers 2^k-12126227911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12126227917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282495 + ... + 322576.

It is an arithmetic number, because the mean of its divisors is an integer number (1178377720).

Almost surely, 2^12126227911 is an apocalyptic number.

12126227911 is a deficient number, since it is larger than the sum of its proper divisors (2014304729).

12126227911 is an equidigital number, since it uses as much as digits as its factorization.

12126227911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605494 (or 605487 counting only the distinct ones).

The product of its digits is 6048, while the sum is 34.

The spelling of 12126227911 in words is "twelve billion, one hundred twenty-six million, two hundred twenty-seven thousand, nine hundred eleven".