13012032100000 has 144 divisors (see below), whose sum is σ = 32065598342232. Its totient is φ = 5197360000000.

The previous prime is 13012032099959. The next prime is 13012032100007. The reversal of 13012032100000 is 123021031.

It can be written as a sum of positive squares in 12 ways, for example, as 8063169143184 + 4948862956816 = 2839572^2 + 2224604^2 .

It is not an unprimeable number, because it can be changed into a prime (13012032100007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70007190 + ... + 70192810.

Almost surely, 2^{13012032100000} is an apocalyptic number.

13012032100000 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 13012032100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16032799171116).

13012032100000 is an abundant number, since it is smaller than the sum of its proper divisors (19053566242232).

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

13012032100000 is an frugal number, since it uses more digits than its factorization.

13012032100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186357 (or 186329 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13012032100000 its reverse (123021031), we get a palindrome (13012155121031).

The spelling of 13012032100000 in words is "thirteen trillion, twelve billion, thirty-two million, one hundred thousand".