12020022021220 has 24 divisors (see below), whose sum is σ = 25353244695744. Its totient is φ = 4786828151136.

The previous prime is 12020022021193. The next prime is 12020022021223. The reversal of 12020022021220 is 2212022002021.

It is a super-2 number, since 2×12020022021220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12020022021194 and 12020022021203.

It is not an unprimeable number, because it can be changed into a prime (12020022021223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1323786432 + ... + 1323795511.

It is an arithmetic number, because the mean of its divisors is an integer number (1056385195656).

Almost surely, 2^{12020022021220} is an apocalyptic number.

12020022021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020022021220 is an abundant number, since it is smaller than the sum of its proper divisors (13333222674524).

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

12020022021220 is a wasteful number, since it uses less digits than its factorization.

12020022021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647582179 (or 2647582177 counting only the distinct ones).

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

Adding to 12020022021220 its reverse (2212022002021), we get a palindrome (14232044023241).

The spelling of 12020022021220 in words is "twelve trillion, twenty billion, twenty-two million, twenty-one thousand, two hundred twenty".