13213332021000 has 128 divisors (see below), whose sum is σ = 41241020895360. Its totient is φ = 3522236832000.

The previous prime is 13213332020969. The next prime is 13213332021049. The reversal of 13213332021000 is 12023331231.

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, 7208355 + ... + 8853645.

It is an arithmetic number, because the mean of its divisors is an integer number (322195475745).

Almost surely, 2^{13213332021000} is an apocalyptic number.

13213332021000 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 13213332021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20620510447680).

13213332021000 is an abundant number, since it is smaller than the sum of its proper divisors (28027688874360).

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

13213332021000 is a wasteful number, since it uses less digits than its factorization.

13213332021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647992 (or 1647978 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13213332021000 its reverse (12023331231), we get a palindrome (13225355352231).

The spelling of 13213332021000 in words is "thirteen trillion, two hundred thirteen billion, three hundred thirty-two million, twenty-one thousand".