12532181384 has 32 divisors (see below), whose sum is σ = 23573035200. Its totient is φ = 6246072000.

The previous prime is 12532181359. The next prime is 12532181393. The reversal of 12532181384 is 48318123521.

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, 5566259 + ... + 5568509.

It is an arithmetic number, because the mean of its divisors is an integer number (736657350).

Almost surely, 2^12532181384 is an apocalyptic number.

It is an amenable number.

12532181384 is a deficient number, since it is larger than the sum of its proper divisors (11040853816).

12532181384 is a wasteful number, since it uses less digits than its factorization.

12532181384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173 (or 4169 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The spelling of 12532181384 in words is "twelve billion, five hundred thirty-two million, one hundred eighty-one thousand, three hundred eighty-four".