12013220211020 has 48 divisors (see below), whose sum is σ = 28835956466688. Its totient is φ = 4118214363840.

The previous prime is 12013220211011. The next prime is 12013220211023. The reversal of 12013220211020 is 2011202231021.

12013220211020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12013220211020.

It is not an unprimeable number, because it can be changed into a prime (12013220211023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5332976 + ... + 7243415.

It is an arithmetic number, because the mean of its divisors is an integer number (600749093056).

Almost surely, 2^{12013220211020} is an apocalyptic number.

12013220211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013220211020 is an abundant number, since it is smaller than the sum of its proper divisors (16822736255668).

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

12013220211020 is a wasteful number, since it uses less digits than its factorization.

12013220211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12583230 (or 12583228 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12013220211020 its reverse (2011202231021), we get a palindrome (14024422442041).

The spelling of 12013220211020 in words is "twelve trillion, thirteen billion, two hundred twenty million, two hundred eleven thousand, twenty".