12220221101112 has 48 divisors (see below), whose sum is σ = 33990930322440. Its totient is φ = 3963314950848.

The previous prime is 12220221100973. The next prime is 12220221101203. The reversal of 12220221101112 is 21110112202221.

12220221101112 is a `hidden beast` number, since 12 + 220 + 221 + 101 + 112 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2293582378 + ... + 2293587705.

Almost surely, 2^{12220221101112} is an apocalyptic number.

12220221101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12220221101112 is an abundant number, since it is smaller than the sum of its proper divisors (21770709221328).

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

12220221101112 is a wasteful number, since it uses less digits than its factorization.

12220221101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587170132 (or 4587170125 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12220221101112 its reverse (21110112202221), we get a palindrome (33330333303333).

The spelling of 12220221101112 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, one hundred one thousand, one hundred twelve".