13212304440000 has 560 divisors, whose sum is σ = 44427142763520. Its totient is φ = 3463649280000.

The previous prime is 13212304439981. The next prime is 13212304440011. The reversal of 13212304440000 is 4440321231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2284677109 + ... + 2284682891.

Almost surely, 2^{13212304440000} is an apocalyptic number.

13212304440000 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 13212304440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22213571381760).

13212304440000 is an abundant number, since it is smaller than the sum of its proper divisors (31214838323520).

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

13212304440000 is an equidigital number, since it uses as much as digits as its factorization.

13212304440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138 (or 6113 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13212304440000 its reverse (4440321231), we get a palindrome (13216744761231).

The spelling of 13212304440000 in words is "thirteen trillion, two hundred twelve billion, three hundred four million, four hundred forty thousand".