12222220211120 has 80 divisors (see below), whose sum is σ = 28645671925728. Its totient is φ = 4849635840000.

The previous prime is 12222220211111. The next prime is 12222220211137. The reversal of 12222220211120 is 2111202222221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12222220211120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12222220211092 and 12222220211101.

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, 4160495 + ... + 6461745.

Almost surely, 2^{12222220211120} is an apocalyptic number.

12222220211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222220211120 is an abundant number, since it is smaller than the sum of its proper divisors (16423451714608).

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

12222220211120 is a wasteful number, since it uses less digits than its factorization.

12222220211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301798 (or 2301792 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12222220211120 its reverse (2111202222221), we get a palindrome (14333422433341).

The spelling of 12222220211120 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty million, two hundred eleven thousand, one hundred twenty".