12021313310220 has 96 divisors (see below), whose sum is σ = 34825048009920. Its totient is φ = 3094725652480.

The previous prime is 12021313310197. The next prime is 12021313310267. The reversal of 12021313310220 is 2201331312021.

12021313310220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12555184 + ... + 13478696.

It is an arithmetic number, because the mean of its divisors is an integer number (362760916770).

Almost surely, 2^{12021313310220} is an apocalyptic number.

12021313310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021313310220 is an abundant number, since it is smaller than the sum of its proper divisors (22803734699700).

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

12021313310220 is a wasteful number, since it uses less digits than its factorization.

12021313310220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931035 (or 931033 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12021313310220 its reverse (2201331312021), we get a palindrome (14222644622241).

The spelling of 12021313310220 in words is "twelve trillion, twenty-one billion, three hundred thirteen million, three hundred ten thousand, two hundred twenty".