12885328012 has 6 divisors (see below), whose sum is σ = 22549324028. Its totient is φ = 6442664004.

The previous prime is 12885327997. The next prime is 12885328123. The reversal of 12885328012 is 21082358821.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610665998 + ... + 1610666005.

Almost surely, 2^12885328012 is an apocalyptic number.

It is an amenable number.

12885328012 is a deficient number, since it is larger than the sum of its proper divisors (9663996016).

12885328012 is a wasteful number, since it uses less digits than its factorization.

12885328012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221332007 (or 3221332005 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 12885328012 in words is "twelve billion, eight hundred eighty-five million, three hundred twenty-eight thousand, twelve".