2012002209 has 24 divisors (see below), whose sum is σ = 3326648832. Its totient is φ = 1147898880.

The previous prime is 2012002163. The next prime is 2012002249. The reversal of 2012002209 is 9022002102.

It is not a de Polignac number, because 2012002209 - 2⁷ = 2012002081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012002191 and 2012002200.

It is not an unprimeable number, because it can be changed into a prime (2012002249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15472 + ... + 65294.

It is an arithmetic number, because the mean of its divisors is an integer number (138610368).

Almost surely, 2^2012002209 is an apocalyptic number.

It is an amenable number.

2012002209 is a deficient number, since it is larger than the sum of its proper divisors (1314646623).

2012002209 is a wasteful number, since it uses less digits than its factorization.

2012002209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50477 (or 50474 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2012002209 is about 44855.3476076153. The cubic root of 2012002209 is about 1262.4363310571.

The spelling of 2012002209 in words is "two billion, twelve million, two thousand, two hundred nine".