12200222209 has 4 divisors (see below), whose sum is σ = 13943111104. Its totient is φ = 10457333316.

The previous prime is 12200222191. The next prime is 12200222233. The reversal of 12200222209 is 90222200221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90222200221 = 15881 ⋅5681141.

It is a cyclic number.

It is not a de Polignac number, because 12200222209 - 2¹⁹ = 12199697921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12200222209.

It is not an unprimeable number, because it can be changed into a prime (12200222009) 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, 871444437 + ... + 871444450.

It is an arithmetic number, because the mean of its divisors is an integer number (3485777776).

Almost surely, 2^12200222209 is an apocalyptic number.

It is an amenable number.

12200222209 is a deficient number, since it is larger than the sum of its proper divisors (1742888895).

12200222209 is an equidigital number, since it uses as much as digits as its factorization.

12200222209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742888894.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 12200222209 in words is "twelve billion, two hundred million, two hundred twenty-two thousand, two hundred nine".