12222212020220 has 96 divisors (see below), whose sum is σ = 26313201589248. Its totient is φ = 4766538776832.

The previous prime is 12222212020217. The next prime is 12222212020279. The reversal of 12222212020220 is 2202021222221.

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 = 12222212020192 and 12222212020201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1575632582 + ... + 1575640338.

It is an arithmetic number, because the mean of its divisors is an integer number (274095849888).

Almost surely, 2^{12222212020220} is an apocalyptic number.

12222212020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222212020220 is an abundant number, since it is smaller than the sum of its proper divisors (14090989569028).

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

12222212020220 is a wasteful number, since it uses less digits than its factorization.

12222212020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14019 (or 14017 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12222212020220 its reverse (2202021222221), we get a palindrome (14424233242441).

The spelling of 12222212020220 in words is "twelve trillion, two hundred twenty-two billion, two hundred twelve million, twenty thousand, two hundred twenty".