9281320012 has 6 divisors (see below), whose sum is σ = 16242310028. Its totient is φ = 4640660004.

The previous prime is 9281320003. The next prime is 9281320021. The reversal of 9281320012 is 2100231829.

It is an interprime number because it is at equal distance from previous prime (9281320003) and next prime (9281320021).

It is a super-2 number, since 2×9281320012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160164998 + ... + 1160165005.

Almost surely, 2^9281320012 is an apocalyptic number.

It is an amenable number.

9281320012 is a deficient number, since it is larger than the sum of its proper divisors (6960990016).

9281320012 is a wasteful number, since it uses less digits than its factorization.

9281320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320330007 (or 2320330005 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 9281320012 is about 96339.6077010904. The cubic root of 9281320012 is about 2101.5347821904.

The spelling of 9281320012 in words is "nine billion, two hundred eighty-one million, three hundred twenty thousand, twelve".