13112252044000 has 96 divisors (see below), whose sum is σ = 32224963470336. Its totient is φ = 5243572339200.

The previous prime is 13112252043991. The next prime is 13112252044043. The reversal of 13112252044000 is 44025221131.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

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, 15454834 + ... + 16281166.

It is an arithmetic number, because the mean of its divisors is an integer number (335676702816).

Almost surely, 2^{13112252044000} is an apocalyptic number.

13112252044000 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 13112252044000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16112481735168).

13112252044000 is an abundant number, since it is smaller than the sum of its proper divisors (19112711426336).

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

13112252044000 is an equidigital number, since it uses as much as digits as its factorization.

13112252044000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830325 (or 830307 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 13112252044000 its reverse (44025221131), we get a palindrome (13156277265131).

The spelling of 13112252044000 in words is "thirteen trillion, one hundred twelve billion, two hundred fifty-two million, forty-four thousand".