12220220021112 has 48 divisors (see below), whose sum is σ = 33116647276440. Its totient is φ = 4070918298048.

The previous prime is 12220220021089. The next prime is 12220220021117. The reversal of 12220220021112 is 21112002202221.

It is a happy number.

12220220021112 is a `hidden beast` number, since 1 + 2 + 220 + 220 + 0 + 211 + 12 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220220021117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51722478 + ... + 51958205.

Almost surely, 2^{12220220021112} is an apocalyptic number.

12220220021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12220220021112 is an abundant number, since it is smaller than the sum of its proper divisors (20896427255328).

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

12220220021112 is a wasteful number, since it uses less digits than its factorization.

12220220021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103682332 (or 103682325 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12220220021112 its reverse (21112002202221), we get a palindrome (33332222223333).

The spelling of 12220220021112 in words is "twelve trillion, two hundred twenty billion, two hundred twenty million, twenty-one thousand, one hundred twelve".