12220333209 has 48 divisors (see below), whose sum is σ = 20399907840. Its totient is φ = 6905023200.

The previous prime is 12220333201. The next prime is 12220333243. The reversal of 12220333209 is 90233302221.

12220333209 is a `hidden beast` number, since 122 + 2 + 0 + 333 + 209 = 666.

It is not a de Polignac number, because 12220333209 - 2³ = 12220333201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220333201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2156622 + ... + 2162280.

It is an arithmetic number, because the mean of its divisors is an integer number (424998080).

Almost surely, 2^12220333209 is an apocalyptic number.

It is an amenable number.

12220333209 is a deficient number, since it is larger than the sum of its proper divisors (8179574631).

12220333209 is a wasteful number, since it uses less digits than its factorization.

12220333209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050 (or 6047 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The spelling of 12220333209 in words is "twelve billion, two hundred twenty million, three hundred thirty-three thousand, two hundred nine".