12211203330 has 64 divisors (see below), whose sum is σ = 32577811200. Its totient is φ = 3254860800.

The previous prime is 12211203313. The next prime is 12211203331. The reversal of 12211203330 is 3330211221.

12211203330 is a `hidden beast` number, since 122 + 11 + 203 + 330 = 666.

It is a super-2 number, since 2×12211203330² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12211203331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 679906 + ... + 697634.

It is an arithmetic number, because the mean of its divisors is an integer number (509028300).

Almost surely, 2^12211203330 is an apocalyptic number.

12211203330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211203330 is an abundant number, since it is smaller than the sum of its proper divisors (20366607870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211203330 is a wasteful number, since it uses less digits than its factorization.

12211203330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20296 (or 20290 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12211203330 its reverse (3330211221), we get a palindrome (15541414551).

The spelling of 12211203330 in words is "twelve billion, two hundred eleven million, two hundred three thousand, three hundred thirty".