12581887148 has 24 divisors (see below), whose sum is σ = 22619469600. Its totient is φ = 6119273088.

The previous prime is 12581887127. The next prime is 12581887159. The reversal of 12581887148 is 84178818521.

It is a self number, because there is not a number n which added to its sum of digits gives 12581887148.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683408 + ... + 701576.

It is an arithmetic number, because the mean of its divisors is an integer number (942477900).

Almost surely, 2^12581887148 is an apocalyptic number.

It is an amenable number.

12581887148 is a deficient number, since it is larger than the sum of its proper divisors (10037582452).

12581887148 is a wasteful number, since it uses less digits than its factorization.

12581887148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22889 (or 22887 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 53.

The spelling of 12581887148 in words is "twelve billion, five hundred eighty-one million, eight hundred eighty-seven thousand, one hundred forty-eight".