12113440424 has 32 divisors (see below), whose sum is σ = 23920564800. Its totient is φ = 5734955520.

The previous prime is 12113440403. The next prime is 12113440439. The reversal of 12113440424 is 42404431121.

It is a junction number, because it is equal to n+sod(n) for n = 12113440393 and 12113440402.

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, 286829 + ... + 326339.

It is an arithmetic number, because the mean of its divisors is an integer number (747517650).

Almost surely, 2^12113440424 is an apocalyptic number.

It is an amenable number.

12113440424 is a deficient number, since it is larger than the sum of its proper divisors (11807124376).

12113440424 is a wasteful number, since it uses less digits than its factorization.

12113440424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41553 (or 41549 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12113440424 its reverse (42404431121), we get a palindrome (54517871545).

The spelling of 12113440424 in words is "twelve billion, one hundred thirteen million, four hundred forty thousand, four hundred twenty-four".