13223001220000 has 240 divisors, whose sum is σ = 38217736684512. Its totient is φ = 4438488960000.

The previous prime is 13223001219971. The next prime is 13223001220067. The reversal of 13223001220000 is 2210032231.

It is a super-2 number, since 2×13223001220000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 548287 + ... + 5171713.

Almost surely, 2^{13223001220000} is an apocalyptic number.

13223001220000 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 13223001220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19108868342256).

13223001220000 is an abundant number, since it is smaller than the sum of its proper divisors (24994735464512).

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

13223001220000 is a wasteful number, since it uses less digits than its factorization.

13223001220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4623481 (or 4623458 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13223001220000 its reverse (2210032231), we get a palindrome (13225211252231).

The spelling of 13223001220000 in words is "thirteen trillion, two hundred twenty-three billion, one million, two hundred twenty thousand".