12318719622 has 128 divisors (see below), whose sum is σ = 29076019200. Its totient is φ = 3437683200.

The previous prime is 12318719591. The next prime is 12318719627. The reversal of 12318719622 is 22691781321.

12318719622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318719627) 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 63 ways as a sum of consecutive naturals, for example, 25088797 + ... + 25089287.

It is an arithmetic number, because the mean of its divisors is an integer number (227156400).

Almost surely, 2^12318719622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12318719622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14538009600).

12318719622 is an abundant number, since it is smaller than the sum of its proper divisors (16757299578).

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

12318719622 is a wasteful number, since it uses less digits than its factorization.

12318719622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962.

The product of its digits is 72576, while the sum is 42.

The spelling of 12318719622 in words is "twelve billion, three hundred eighteen million, seven hundred nineteen thousand, six hundred twenty-two".