1000012000009 has 4 divisors (see below), whose sum is σ = 1090922181840. Its totient is φ = 909101818180.

The previous prime is 1000011999971. The next prime is 1000012000063. The reversal of 1000012000009 is 9000002100001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1000012000009 - 2¹⁹ = 1000011475721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000012000109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 45455090899 + ... + 45455090920.

It is an arithmetic number, because the mean of its divisors is an integer number (272730545460).

Almost surely, 2^{1000012000009} is an apocalyptic number.

It is an amenable number.

1000012000009 is a deficient number, since it is larger than the sum of its proper divisors (90910181831).

1000012000009 is an equidigital number, since it uses as much as digits as its factorization.

1000012000009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90910181830.

The product of its (nonzero) digits is 18, while the sum is 13.

The spelling of 1000012000009 in words is "one trillion, twelve million, nine", and thus it is an aban number and an uban number.