12420304108 has 24 divisors (see below), whose sum is σ = 23241968064. Its totient is φ = 5786976000.

The previous prime is 12420304097. The next prime is 12420304151. The reversal of 12420304108 is 80140302421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897348 + ... + 911083.

It is an arithmetic number, because the mean of its divisors is an integer number (968415336).

Almost surely, 2^12420304108 is an apocalyptic number.

It is an amenable number.

12420304108 is a deficient number, since it is larger than the sum of its proper divisors (10821663956).

12420304108 is a wasteful number, since it uses less digits than its factorization.

12420304108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808553 (or 1808551 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 12420304108 its reverse (80140302421), we get a palindrome (92560606529).

The spelling of 12420304108 in words is "twelve billion, four hundred twenty million, three hundred four thousand, one hundred eight".