12431218308 has 24 divisors (see below), whose sum is σ = 29023727712. Its totient is φ = 4141232064.

The previous prime is 12431218279. The next prime is 12431218337. The reversal of 12431218308 is 80381213421.

12431218308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12431218279) and next prime (12431218337).

It is an unprimeable number.

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, 292710 + ... + 332477.

It is an arithmetic number, because the mean of its divisors is an integer number (1209321988).

Almost surely, 2^12431218308 is an apocalyptic number.

It is an amenable number.

12431218308 is an abundant number, since it is smaller than the sum of its proper divisors (16592509404).

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

12431218308 is a wasteful number, since it uses less digits than its factorization.

12431218308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626851 (or 626849 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 12431218308 in words is "twelve billion, four hundred thirty-one million, two hundred eighteen thousand, three hundred eight".