12279402306 has 64 divisors (see below), whose sum is σ = 28084383360. Its totient is φ = 3974080320.

The previous prime is 12279402229. The next prime is 12279402329. The reversal of 12279402306 is 60320497221.

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, 974760 + ... + 987276.

It is an arithmetic number, because the mean of its divisors is an integer number (438818490).

Almost surely, 2^12279402306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12279402306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14042191680).

12279402306 is an abundant number, since it is smaller than the sum of its proper divisors (15804981054).

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

12279402306 is a wasteful number, since it uses less digits than its factorization.

12279402306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13056 (or 13050 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Adding to 12279402306 its reverse (60320497221), we get a palindrome (72599899527).

The spelling of 12279402306 in words is "twelve billion, two hundred seventy-nine million, four hundred two thousand, three hundred six".