12779461122 has 16 divisors (see below), whose sum is σ = 25560914592. Its totient is φ = 4259488320.

The previous prime is 12779461109. The next prime is 12779461129. The reversal of 12779461122 is 22116497721.

12779461122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12779461129) 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 7 ways as a sum of consecutive naturals, for example, 8058 + ... + 160074.

It is an arithmetic number, because the mean of its divisors is an integer number (1597557162).

Almost surely, 2^12779461122 is an apocalyptic number.

12779461122 is an abundant number, since it is smaller than the sum of its proper divisors (12781453470).

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

12779461122 is a wasteful number, since it uses less digits than its factorization.

12779461122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166033.

The product of its digits is 84672, while the sum is 42.

The spelling of 12779461122 in words is "twelve billion, seven hundred seventy-nine million, four hundred sixty-one thousand, one hundred twenty-two".