12111972848 has 80 divisors (see below), whose sum is σ = 24132979200. Its totient is φ = 5887365120.

The previous prime is 12111972839. The next prime is 12111972863. The reversal of 12111972848 is 84827911121.

12111972848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12111972848² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12111972799 and 12111972808.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 31957523 + ... + 31957901.

It is an arithmetic number, because the mean of its divisors is an integer number (301662240).

Almost surely, 2^12111972848 is an apocalyptic number.

It is an amenable number.

12111972848 is a deficient number, since it is larger than the sum of its proper divisors (12021006352).

12111972848 is a wasteful number, since it uses less digits than its factorization.

12111972848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 784 counting only the distinct ones).

The product of its digits is 64512, while the sum is 44.

The spelling of 12111972848 in words is "twelve billion, one hundred eleven million, nine hundred seventy-two thousand, eight hundred forty-eight".