12012022020 has 24 divisors (see below), whose sum is σ = 33633661824. Its totient is φ = 3203205856.

The previous prime is 12012022013. The next prime is 12012022049. The reversal of 12012022020 is 2022021021.

12012022020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12012021987 and 12012022005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100100124 + ... + 100100243.

It is an arithmetic number, because the mean of its divisors is an integer number (1401402576).

Almost surely, 2^12012022020 is an apocalyptic number.

12012022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012022020 is an abundant number, since it is smaller than the sum of its proper divisors (21621639804).

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

12012022020 is a wasteful number, since it uses less digits than its factorization.

12012022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200200379 (or 200200377 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12012022020 its reverse (2022021021), we get a palindrome (14034043041).

Subtracting from 12012022020 its reverse (2022021021), we obtain a palindrome (9990000999).

The spelling of 12012022020 in words is "twelve billion, twelve million, twenty-two thousand, twenty".