1280656832012 has 6 divisors (see below), whose sum is σ = 2241149456028. Its totient is φ = 640328416004.

The previous prime is 1280656831901. The next prime is 1280656832047. The reversal of 1280656832012 is 2102386560821.

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 as a sum of consecutive naturals, namely, 160082103998 + ... + 160082104005.

It is an arithmetic number, because the mean of its divisors is an integer number (373524909338).

Almost surely, 2^{1280656832012} is an apocalyptic number.

It is an amenable number.

1280656832012 is a deficient number, since it is larger than the sum of its proper divisors (960492624016).

1280656832012 is a wasteful number, since it uses less digits than its factorization.

1280656832012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320164208007 (or 320164208005 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 1280656832012 in words is "one trillion, two hundred eighty billion, six hundred fifty-six million, eight hundred thirty-two thousand, twelve".