12266798111 has 16 divisors (see below), whose sum is σ = 12604336128. Its totient is φ = 11934031200.

The previous prime is 12266798021. The next prime is 12266798143. The reversal of 12266798111 is 11189766221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12266798111 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 (12266798911) 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 15 ways as a sum of consecutive naturals, for example, 5945066 + ... + 5947128.

It is an arithmetic number, because the mean of its divisors is an integer number (787771008).

Almost surely, 2^12266798111 is an apocalyptic number.

12266798111 is a deficient number, since it is larger than the sum of its proper divisors (337538017).

12266798111 is a wasteful number, since it uses less digits than its factorization.

12266798111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142.

The product of its digits is 72576, while the sum is 44.

The spelling of 12266798111 in words is "twelve billion, two hundred sixty-six million, seven hundred ninety-eight thousand, one hundred eleven".