12222100022020 has 48 divisors (see below), whose sum is σ = 29335771559808. Its totient is φ = 4190044078080.

The previous prime is 12222100021987. The next prime is 12222100022021. The reversal of 12222100022020 is 2022000122221.

12222100022020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12222100022020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12222100021985 and 12222100022003.

It is not an unprimeable number, because it can be changed into a prime (12222100022021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2553946 + ... + 5564785.

It is an arithmetic number, because the mean of its divisors is an integer number (611161907496).

Almost surely, 2^{12222100022020} is an apocalyptic number.

12222100022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222100022020 is an abundant number, since it is smaller than the sum of its proper divisors (17113671537788).

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

12222100022020 is a wasteful number, since it uses less digits than its factorization.

12222100022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8129500 (or 8129498 counting only the distinct ones).

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

Adding to 12222100022020 its reverse (2022000122221), we get a palindrome (14244100144241).

The spelling of 12222100022020 in words is "twelve trillion, two hundred twenty-two billion, one hundred million, twenty-two thousand, twenty".