12267786912 has 24 divisors (see below), whose sum is σ = 32202940896. Its totient is φ = 4089262272.

The previous prime is 12267786911. The next prime is 12267786913. The reversal of 12267786912 is 21968776221.

It is a happy number.

12267786912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12267786911) and next prime (12267786913).

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (12267786911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63894628 + ... + 63894819.

It is an arithmetic number, because the mean of its divisors is an integer number (1341789204).

Almost surely, 2^12267786912 is an apocalyptic number.

12267786912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12267786912 is an abundant number, since it is smaller than the sum of its proper divisors (19935153984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12267786912 is a wasteful number, since it uses less digits than its factorization.

12267786912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127789460 (or 127789452 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The spelling of 12267786912 in words is "twelve billion, two hundred sixty-seven million, seven hundred eighty-six thousand, nine hundred twelve".