13044243021000 has 768 divisors, whose sum is σ = 43955476830720. Its totient is φ = 3219609600000.

The previous prime is 13044243020957. The next prime is 13044243021001. The reversal of 13044243021000 is 12034244031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13044243021001) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 15849626589 + ... + 15849627411.

It is an arithmetic number, because the mean of its divisors is an integer number (57233693790).

Almost surely, 2^{13044243021000} is an apocalyptic number.

13044243021000 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 13044243021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21977738415360).

13044243021000 is an abundant number, since it is smaller than the sum of its proper divisors (30911233809720).

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

13044243021000 is a wasteful number, since it uses less digits than its factorization.

13044243021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13044243021000 its reverse (12034244031), we get a palindrome (13056277265031).

The spelling of 13044243021000 in words is "thirteen trillion, forty-four billion, two hundred forty-three million, twenty-one thousand".