13112012320000 has 180 divisors, whose sum is σ = 35678773712736. Its totient is φ = 4768003840000.

The previous prime is 13112012319997. The next prime is 13112012320009. The reversal of 13112012320000 is 2321021131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112012320009) 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, 1965004 + ... + 5485003.

Almost surely, 2^{13112012320000} is an apocalyptic number.

13112012320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112012320000 is an abundant number, since it is smaller than the sum of its proper divisors (22566761392736).

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

13112012320000 is an frugal number, since it uses more digits than its factorization.

13112012320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7450054 (or 7450025 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13112012320000 its reverse (2321021131), we get a palindrome (13114333341131).

The spelling of 13112012320000 in words is "thirteen trillion, one hundred twelve billion, twelve million, three hundred twenty thousand".