12020112220220 has 36 divisors (see below), whose sum is σ = 27333308446920. Its totient is φ = 4438195280064.

The previous prime is 12020112220163. The next prime is 12020112220231. The reversal of 12020112220220 is 2202221102021.

It is a happy number.

It is a super-3 number, since 3×12020112220220³ (a number of 40 digits) contains 333 as substring.

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, 1778119730 + ... + 1778126489.

It is an arithmetic number, because the mean of its divisors is an integer number (759258567970).

Almost surely, 2^{12020112220220} is an apocalyptic number.

12020112220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020112220220 is an abundant number, since it is smaller than the sum of its proper divisors (15313196226700).

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

12020112220220 is a wasteful number, since it uses less digits than its factorization.

12020112220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556246254 (or 3556246239 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12020112220220 its reverse (2202221102021), we get a palindrome (14222333322241).

The spelling of 12020112220220 in words is "twelve trillion, twenty billion, one hundred twelve million, two hundred twenty thousand, two hundred twenty".