12022112111220 has 72 divisors (see below), whose sum is σ = 36483810286560. Its totient is φ = 3204425188800.

The previous prime is 12022112111159. The next prime is 12022112111263. The reversal of 12022112111220 is 2211121122021.

12022112111220 is a `hidden beast` number, since 1 + 20 + 2 + 211 + 211 + 1 + 220 = 666.

It is a super-2 number, since 2×12022112111220² (a number of 27 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 12022112111193 and 12022112111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14933506 + ... + 15717945.

Almost surely, 2^{12022112111220} is an apocalyptic number.

12022112111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022112111220 is an abundant number, since it is smaller than the sum of its proper divisors (24461698175340).

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

12022112111220 is a wasteful number, since it uses less digits than its factorization.

12022112111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30653645 (or 30653640 counting only the distinct ones).

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

Adding to 12022112111220 its reverse (2211121122021), we get a palindrome (14233233233241).

The spelling of 12022112111220 in words is "twelve trillion, twenty-two billion, one hundred twelve million, one hundred eleven thousand, two hundred twenty".