12211003209 has 16 divisors (see below), whose sum is σ = 17017547904. Its totient is φ = 7773744000.

The previous prime is 12211003169. The next prime is 12211003237. The reversal of 12211003209 is 90230011221.

It is not a de Polignac number, because 12211003209 - 2⁷ = 12211003081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12211008209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105762 + ... + 188699.

It is an arithmetic number, because the mean of its divisors is an integer number (1063596744).

Almost surely, 2^12211003209 is an apocalyptic number.

It is an amenable number.

12211003209 is a deficient number, since it is larger than the sum of its proper divisors (4806544695).

12211003209 is a wasteful number, since it uses less digits than its factorization.

12211003209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295088.

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 12211003209 in words is "twelve billion, two hundred eleven million, three thousand, two hundred nine".