12020020012220 has 24 divisors (see below), whose sum is σ = 27536773119408. Its totient is φ = 4370916368000.

The previous prime is 12020020012193. The next prime is 12020020012249. The reversal of 12020020012220 is 2221002002021.

12020020012220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12020020012195 and 12020020012204.

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, 27318227081 + ... + 27318227520.

It is an arithmetic number, because the mean of its divisors is an integer number (1147365546642).

Almost surely, 2^{12020020012220} is an apocalyptic number.

12020020012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020020012220 is an abundant number, since it is smaller than the sum of its proper divisors (15516753107188).

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

12020020012220 is a wasteful number, since it uses less digits than its factorization.

12020020012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54636454621 (or 54636454619 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12020020012220 its reverse (2221002002021), we get a palindrome (14241022014241).

The spelling of 12020020012220 in words is "twelve trillion, twenty billion, twenty million, twelve thousand, two hundred twenty".