13112002320000 has 160 divisors (see below), whose sum is σ = 43522014497280. Its totient is φ = 3496533888000.

The previous prime is 13112002319917. The next prime is 13112002320007. The reversal of 13112002320000 is 2320021131.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (13112002320007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27076672 + ... + 27556671.

It is an arithmetic number, because the mean of its divisors is an integer number (272012590608).

Almost surely, 2^{13112002320000} is an apocalyptic number.

13112002320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112002320000 is an abundant number, since it is smaller than the sum of its proper divisors (30410012177280).

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

13112002320000 is an frugal number, since it uses more digits than its factorization.

13112002320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54633380 (or 54633353 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13112002320000 its reverse (2320021131), we get a palindrome (13114322341131).

The spelling of 13112002320000 in words is "thirteen trillion, one hundred twelve billion, two million, three hundred twenty thousand".