2012211000009 has 48 divisors (see below), whose sum is σ = 3466368172800. Its totient is φ = 1099778790528.

The previous prime is 2012211000001. The next prime is 2012211000017. The reversal of 2012211000009 is 9000001122102.

It is an interprime number because it is at equal distance from previous prime (2012211000001) and next prime (2012211000017).

It is not a de Polignac number, because 2012211000009 - 2³ = 2012211000001 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2012210999955 and 2012211000000.

It is not an unprimeable number, because it can be changed into a prime (2012211000001) 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 47 ways as a sum of consecutive naturals, for example, 37051327 + ... + 37105595.

It is an arithmetic number, because the mean of its divisors is an integer number (72216003600).

Almost surely, 2^{2012211000009} is an apocalyptic number.

It is an amenable number.

2012211000009 is a deficient number, since it is larger than the sum of its proper divisors (1454157172791).

2012211000009 is a wasteful number, since it uses less digits than its factorization.

2012211000009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79894 (or 79891 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 2012211000009 in words is "two trillion, twelve billion, two hundred eleven million, nine", and thus it is an aban number.