1222000000009 has 32 divisors (see below), whose sum is σ = 1350485434368. Its totient is φ = 1101841488000.

The previous prime is 1222000000003. The next prime is 1222000000019. The reversal of 1222000000009 is 9000000002221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1222000000009 - 2⁵ = 1221999999977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1221999999929 and 1222000000001.

It is not an unprimeable number, because it can be changed into a prime (1222000000003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18764314 + ... + 18829324.

It is an arithmetic number, because the mean of its divisors is an integer number (42202669824).

Almost surely, 2^{1222000000009} is an apocalyptic number.

It is an amenable number.

1222000000009 is a deficient number, since it is larger than the sum of its proper divisors (128485434359).

1222000000009 is a wasteful number, since it uses less digits than its factorization.

1222000000009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65749.

The product of its (nonzero) digits is 72, while the sum is 16.

The spelling of 1222000000009 in words is "one trillion, two hundred twenty-two billion, nine", and thus it is an aban number.