12200011009 has 4 divisors (see below), whose sum is σ = 12212499204. Its totient is φ = 12187522816.

The previous prime is 12200010983. The next prime is 12200011037. The reversal of 12200011009 is 90011000221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90011000221 = 1039 ⋅86632339.

It can be written as a sum of positive squares in 2 ways, for example, as 6162721009 + 6037290000 = 78503^2 + 77700^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200011009 - 2²¹ = 12197913857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200010983 and 12200011001.

It is not an unprimeable number, because it can be changed into a prime (12200011099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6242632 + ... + 6244585.

It is an arithmetic number, because the mean of its divisors is an integer number (3053124801).

Almost surely, 2^12200011009 is an apocalyptic number.

It is an amenable number.

12200011009 is a deficient number, since it is larger than the sum of its proper divisors (12488195).

12200011009 is an equidigital number, since it uses as much as digits as its factorization.

12200011009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12488194.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 12200011009 in words is "twelve billion, two hundred million, eleven thousand, nine".