12102022122020 has 48 divisors (see below), whose sum is σ = 25848573433200. Its totient is φ = 4758749773824.

The previous prime is 12102022121993. The next prime is 12102022122037. The reversal of 12102022122020 is 2022122020121.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13591829056 + 12088430292964 = 116584^2 + 3476842^2 .

It is a super-2 number, since 2×12102022122020² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12102022122020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20644349 + ... + 21222468.

It is an arithmetic number, because the mean of its divisors is an integer number (538511946525).

Almost surely, 2^{12102022122020} is an apocalyptic number.

12102022122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102022122020 is an abundant number, since it is smaller than the sum of its proper divisors (13746551311180).

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

12102022122020 is a wasteful number, since it uses less digits than its factorization.

12102022122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41867072 (or 41867070 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12102022122020 its reverse (2022122020121), we get a palindrome (14124144142141).

The spelling of 12102022122020 in words is "twelve trillion, one hundred two billion, twenty-two million, one hundred twenty-two thousand, twenty".