27281092012 has 36 divisors (see below), whose sum is σ = 50459853360. Its totient is φ = 12903911712.

The previous prime is 27281092001. The next prime is 27281092021. The reversal of 27281092012 is 21029018272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010473 + ... + 1037119.

Almost surely, 2^27281092012 is an apocalyptic number.

It is an amenable number.

27281092012 is a deficient number, since it is larger than the sum of its proper divisors (23178761348).

27281092012 is a wasteful number, since it uses less digits than its factorization.

27281092012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27398 (or 27377 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 27281092012 in words is "twenty-seven billion, two hundred eighty-one million, ninety-two thousand, twelve".