13222320021300 has 576 divisors, whose sum is σ = 44931524198400. Its totient is φ = 2976380467200.

The previous prime is 13222320021259. The next prime is 13222320021377. The reversal of 13222320021300 is 312002322231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 164746581 + ... + 164826819.

It is an arithmetic number, because the mean of its divisors is an integer number (78006118400).

Almost surely, 2^{13222320021300} is an apocalyptic number.

13222320021300 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 13222320021300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22465762099200).

13222320021300 is an abundant number, since it is smaller than the sum of its proper divisors (31709204177100).

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

13222320021300 is a wasteful number, since it uses less digits than its factorization.

13222320021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80376 (or 80369 counting only the distinct ones).

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

Adding to 13222320021300 its reverse (312002322231), we get a palindrome (13534322343531).

The spelling of 13222320021300 in words is "thirteen trillion, two hundred twenty-two billion, three hundred twenty million, twenty-one thousand, three hundred".