12187455148 has 48 divisors (see below), whose sum is σ = 23428694016. Its totient is φ = 5501352960.

The previous prime is 12187455139. The next prime is 12187455277. The reversal of 12187455148 is 84155478121.

It is a junction number, because it is equal to n+sod(n) for n = 12187455098 and 12187455107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7327765 + ... + 7329427.

It is an arithmetic number, because the mean of its divisors is an integer number (488097792).

Almost surely, 2^12187455148 is an apocalyptic number.

It is an amenable number.

12187455148 is a deficient number, since it is larger than the sum of its proper divisors (11241238868).

12187455148 is a wasteful number, since it uses less digits than its factorization.

12187455148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734 (or 2732 counting only the distinct ones).

The product of its digits is 358400, while the sum is 46.

The spelling of 12187455148 in words is "twelve billion, one hundred eighty-seven million, four hundred fifty-five thousand, one hundred forty-eight".