12278845068 has 96 divisors (see below), whose sum is σ = 34705810944. Its totient is φ = 3298434048.

The previous prime is 12278845037. The next prime is 12278845069. The reversal of 12278845068 is 86054887221.

12278845068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 12278845068.

It is not an unprimeable number, because it can be changed into a prime (12278845069) 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 31 ways as a sum of consecutive naturals, for example, 1556871 + ... + 1564737.

It is an arithmetic number, because the mean of its divisors is an integer number (361518864).

Almost surely, 2^12278845068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12278845068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17352905472).

12278845068 is an abundant number, since it is smaller than the sum of its proper divisors (22426965876).

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

12278845068 is a wasteful number, since it uses less digits than its factorization.

12278845068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8991 (or 8989 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 12278845068 in words is "twelve billion, two hundred seventy-eight million, eight hundred forty-five thousand, sixty-eight".