12279519108 has 96 divisors (see below), whose sum is σ = 32572108800. Its totient is φ = 3998822688.

The previous prime is 12279519053. The next prime is 12279519113. The reversal of 12279519108 is 80191597221.

12279519108 is a `hidden beast` number, since 1 + 2 + 27 + 9 + 519 + 108 = 666.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3282303 + ... + 3286041.

It is an arithmetic number, because the mean of its divisors is an integer number (339292800).

Almost surely, 2^12279519108 is an apocalyptic number.

12279519108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12279519108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16286054400).

12279519108 is an abundant number, since it is smaller than the sum of its proper divisors (20292589692).

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

12279519108 is a wasteful number, since it uses less digits than its factorization.

12279519108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446 (or 4438 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 45.

The spelling of 12279519108 in words is "twelve billion, two hundred seventy-nine million, five hundred nineteen thousand, one hundred eight".