1222000020009 has 12 divisors (see below), whose sum is σ = 1769920711936. Its totient is φ = 812446877592.

The previous prime is 1222000019983. The next prime is 1222000020029. The reversal of 1222000020009 is 9000200002221.

It is not a de Polignac number, because 1222000020009 - 2⁹ = 1222000019497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222000019973 and 1222000020000.

It is not an unprimeable number, because it can be changed into a prime (1222000020029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184980049 + ... + 184986654.

Almost surely, 2^{1222000020009} is an apocalyptic number.

It is an amenable number.

1222000020009 is a deficient number, since it is larger than the sum of its proper divisors (547920691927).

1222000020009 is a wasteful number, since it uses less digits than its factorization.

1222000020009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369967076 (or 369967073 counting only the distinct ones).

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

The spelling of 1222000020009 in words is "one trillion, two hundred twenty-two billion, twenty thousand, nine".