12200211009 has 20 divisors (see below), whose sum is σ = 20828579904. Its totient is φ = 6971548824.

The previous prime is 12200210963. The next prime is 12200211091. The reversal of 12200211009 is 90011200221.

It is not a de Polignac number, because 12200211009 - 2⁷ = 12200210881 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12200210982 and 12200211000.

It is not an unprimeable number, because it can be changed into a prime (12200211209) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10757997 + ... + 10759130.

Almost surely, 2^12200211009 is an apocalyptic number.

It is an amenable number.

12200211009 is a deficient number, since it is larger than the sum of its proper divisors (8628368895).

12200211009 is an equidigital number, since it uses as much as digits as its factorization.

12200211009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21517146 (or 21517137 counting only the distinct ones).

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

The spelling of 12200211009 in words is "twelve billion, two hundred million, two hundred eleven thousand, nine".