13203232221000 has 512 divisors, whose sum is σ = 43971446937600. Its totient is φ = 3288849177600.

The previous prime is 13203232220999. The next prime is 13203232221001. The reversal of 13203232221000 is 12223230231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13203232220999) and next prime (13203232221001).

It is not an unprimeable number, because it can be changed into a prime (13203232221001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2663550522 + ... + 2663555478.

It is an arithmetic number, because the mean of its divisors is an integer number (85881732300).

Almost surely, 2^{13203232221000} is an apocalyptic number.

13203232221000 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 13203232221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21985723468800).

13203232221000 is an abundant number, since it is smaller than the sum of its proper divisors (30768214716600).

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

13203232221000 is a wasteful number, since it uses less digits than its factorization.

13203232221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646 (or 5632 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13203232221000 its reverse (12223230231), we get a palindrome (13215455451231).

The spelling of 13203232221000 in words is "thirteen trillion, two hundred three billion, two hundred thirty-two million, two hundred twenty-one thousand".