12115534024 has 32 divisors (see below), whose sum is σ = 26239528800. Its totient is φ = 5183115520.

The previous prime is 12115534009. The next prime is 12115534033. The reversal of 12115534024 is 42043551121.

It is a junction number, because it is equal to n+sod(n) for n = 12115533983 and 12115534001.

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, 4047814 + ... + 4050805.

It is an arithmetic number, because the mean of its divisors is an integer number (819985275).

Almost surely, 2^12115534024 is an apocalyptic number.

It is an amenable number.

12115534024 is an abundant number, since it is smaller than the sum of its proper divisors (14123994776).

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

12115534024 is a wasteful number, since it uses less digits than its factorization.

12115534024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8098653 (or 8098649 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 12115534024 in words is "twelve billion, one hundred fifteen million, five hundred thirty-four thousand, twenty-four".