13104042320000 has 80 divisors (see below), whose sum is σ = 32621694552150. Its totient is φ = 5241616896000.

The previous prime is 13104042319997. The next prime is 13104042320003. The reversal of 13104042320000 is 2324040131.

It is an interprime number because it is at equal distance from previous prime (13104042319997) and next prime (13104042320003).

It can be written as a sum of positive squares in 5 ways, for example, as 221283686464 + 12882758633536 = 470408^2 + 3589256^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (13104042320003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 81820265 + ... + 81980264.

Almost surely, 2^{13104042320000} is an apocalyptic number.

13104042320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13104042320000 is an abundant number, since it is smaller than the sum of its proper divisors (19517652232150).

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

13104042320000 is an frugal number, since it uses more digits than its factorization.

13104042320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163800563 (or 163800536 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13104042320000 its reverse (2324040131), we get a palindrome (13106366360131).

The spelling of 13104042320000 in words is "thirteen trillion, one hundred four billion, forty-two million, three hundred twenty thousand".