12347108981548 has 72 divisors (see below), whose sum is σ = 23790246011280. Its totient is φ = 5602897238400.

The previous prime is 12347108981497. The next prime is 12347108981573. The reversal of 12347108981548 is 84518980174321.

It is a super-2 number, since 2×12347108981548² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 803160790 + ... + 803176162.

It is an arithmetic number, because the mean of its divisors is an integer number (330420083490).

Almost surely, 2^{12347108981548} is an apocalyptic number.

It is an amenable number.

12347108981548 is a deficient number, since it is larger than the sum of its proper divisors (11443137029732).

12347108981548 is a wasteful number, since it uses less digits than its factorization.

12347108981548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18079 (or 18066 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 61.

The spelling of 12347108981548 in words is "twelve trillion, three hundred forty-seven billion, one hundred eight million, nine hundred eighty-one thousand, five hundred forty-eight".