13112303321000 has 64 divisors (see below), whose sum is σ = 33043004401680. Its totient is φ = 4841465836800.

The previous prime is 13112303320981. The next prime is 13112303321059. The reversal of 13112303321000 is 12330321131.

It can be written as a sum of positive squares in 8 ways, for example, as 195999227524 + 12916304093476 = 442718^2 + 3593926^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504306359 + ... + 504332358.

Almost surely, 2^{13112303321000} is an apocalyptic number.

13112303321000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112303321000 is an abundant number, since it is smaller than the sum of its proper divisors (19930701080680).

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

13112303321000 is a wasteful number, since it uses less digits than its factorization.

13112303321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008638751 (or 1008638737 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13112303321000 its reverse (12330321131), we get a palindrome (13124633642131).

The spelling of 13112303321000 in words is "thirteen trillion, one hundred twelve billion, three hundred three million, three hundred twenty-one thousand".