13211123033220 has 288 divisors, whose sum is σ = 43308086040576. Its totient is φ = 3000245068800.

The previous prime is 13211123033161. The next prime is 13211123033239. The reversal of 13211123033220 is 2233032111231.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 478979830 + ... + 479007410.

It is an arithmetic number, because the mean of its divisors is an integer number (150375298752).

Almost surely, 2^{13211123033220} is an apocalyptic number.

13211123033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13211123033220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21654043020288).

13211123033220 is an abundant number, since it is smaller than the sum of its proper divisors (30096963007356).

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

13211123033220 is a wasteful number, since it uses less digits than its factorization.

13211123033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28651 (or 28642 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13211123033220 its reverse (2233032111231), we get a palindrome (15444155144451).

The spelling of 13211123033220 in words is "thirteen trillion, two hundred eleven billion, one hundred twenty-three million, thirty-three thousand, two hundred twenty".