12013211103220 has 48 divisors (see below), whose sum is σ = 26712338526720. Its totient is φ = 4522517318144.

The previous prime is 12013211103163. The next prime is 12013211103239. The reversal of 12013211103220 is 2230111231021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15408837 + ... + 16169683.

It is an arithmetic number, because the mean of its divisors is an integer number (556507052640).

Almost surely, 2^{12013211103220} is an apocalyptic number.

12013211103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013211103220 is an abundant number, since it is smaller than the sum of its proper divisors (14699127423500).

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

12013211103220 is a wasteful number, since it uses less digits than its factorization.

12013211103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807312 (or 807310 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12013211103220 its reverse (2230111231021), we get a palindrome (14243322334241).

The spelling of 12013211103220 in words is "twelve trillion, thirteen billion, two hundred eleven million, one hundred three thousand, two hundred twenty".