12020340402220 has 36 divisors (see below), whose sum is σ = 25550508438000. Its totient is φ = 4750206755104.

The previous prime is 12020340402167. The next prime is 12020340402221. The reversal of 12020340402220 is 2220404302021.

12020340402220 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 = 12020340402191 and 12020340402200.

It is not an unprimeable number, because it can be changed into a prime (12020340402221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43483720 + ... + 43759279.

It is an arithmetic number, because the mean of its divisors is an integer number (709736345500).

Almost surely, 2^{12020340402220} is an apocalyptic number.

12020340402220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020340402220 is an abundant number, since it is smaller than the sum of its proper divisors (13530168035780).

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

12020340402220 is an equidigital number, since it uses as much as digits as its factorization.

12020340402220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87243174 (or 87243089 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12020340402220 its reverse (2220404302021), we get a palindrome (14240744704241).

The spelling of 12020340402220 in words is "twelve trillion, twenty billion, three hundred forty million, four hundred two thousand, two hundred twenty".