12222413100 has 162 divisors, whose sum is σ = 40434013620. Its totient is φ = 3087685440.

The previous prime is 12222413089. The next prime is 12222413129. The reversal of 12222413100 is 131422221.

It is a happy number.

It is a super-2 number, since 2×12222413100² (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 an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 306091 + ... + 343709.

Almost surely, 2^12222413100 is an apocalyptic number.

12222413100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12222413100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20217006810).

12222413100 is an abundant number, since it is smaller than the sum of its proper divisors (28211600520).

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

12222413100 is a wasteful number, since it uses less digits than its factorization.

12222413100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37677 (or 37648 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12222413100 its reverse (131422221), we get a palindrome (12353835321).

The spelling of 12222413100 in words is "twelve billion, two hundred twenty-two million, four hundred thirteen thousand, one hundred".