13005220444000 has 96 divisors (see below), whose sum is σ = 32054630471136. Its totient is φ = 5185677299200.

The previous prime is 13005220443977. The next prime is 13005220444001. The reversal of 13005220444000 is 44402250031.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13005220444001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3860242 + ... + 6396241.

It is an arithmetic number, because the mean of its divisors is an integer number (333902400741).

Almost surely, 2^{13005220444000} is an apocalyptic number.

13005220444000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13005220444000 is an abundant number, since it is smaller than the sum of its proper divisors (19049410027136).

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

13005220444000 is a wasteful number, since it uses less digits than its factorization.

13005220444000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10256825 (or 10256807 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 13005220444000 its reverse (44402250031), we get a palindrome (13049622694031).

The spelling of 13005220444000 in words is "thirteen trillion, five billion, two hundred twenty million, four hundred forty-four thousand".