12220333212 has 48 divisors (see below), whose sum is σ = 29393915040. Its totient is φ = 3948579072.

The previous prime is 12220333201. The next prime is 12220333243. The reversal of 12220333212 is 21233302221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68278 + ... + 170594.

It is an arithmetic number, because the mean of its divisors is an integer number (612373230).

Almost surely, 2^12220333212 is an apocalyptic number.

12220333212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12220333212 is an abundant number, since it is smaller than the sum of its proper divisors (17173581828).

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

12220333212 is a wasteful number, since it uses less digits than its factorization.

12220333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102630 (or 102628 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12220333212 its reverse (21233302221), we get a palindrome (33453635433).

The spelling of 12220333212 in words is "twelve billion, two hundred twenty million, three hundred thirty-three thousand, two hundred twelve".