12220100112 has 80 divisors (see below), whose sum is σ = 35369289792. Its totient is φ = 3602972160.

The previous prime is 12220100093. The next prime is 12220100129. The reversal of 12220100112 is 21100102221.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 293223 + ... + 332294.

Almost surely, 2^12220100112 is an apocalyptic number.

12220100112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12220100112 is an abundant number, since it is smaller than the sum of its proper divisors (23149189680).

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

12220100112 is a wasteful number, since it uses less digits than its factorization.

12220100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625576 (or 625570 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12220100112 its reverse (21100102221), we get a palindrome (33320202333).

The spelling of 12220100112 in words is "twelve billion, two hundred twenty million, one hundred thousand, one hundred twelve".