12222000221020 has 24 divisors (see below), whose sum is σ = 25954584742800. Its totient is φ = 4833869749632.

The previous prime is 12222000221009. The next prime is 12222000221033. The reversal of 12222000221020 is 2012200022221.

It is a super-4 number, since 4×12222000221020⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 12222000220985 and 12222000221003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3433144350 + ... + 3433147909.

It is an arithmetic number, because the mean of its divisors is an integer number (1081441030950).

Almost surely, 2^{12222000221020} is an apocalyptic number.

12222000221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222000221020 is an abundant number, since it is smaller than the sum of its proper divisors (13732584521780).

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

12222000221020 is a wasteful number, since it uses less digits than its factorization.

12222000221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866292357 (or 6866292355 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12222000221020 its reverse (2012200022221), we get a palindrome (14234200243241).

The spelling of 12222000221020 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty-one thousand, twenty".