13444435334412 has 144 divisors (see below), whose sum is σ = 35450169955200. Its totient is φ = 4290942136320.

The previous prime is 13444435334387. The next prime is 13444435334497. The reversal of 13444435334412 is 21443353444431.

13444435334412 is a `hidden beast` number, since 1 + 34 + 4 + 4 + 43 + 533 + 4 + 41 + 2 = 666.

It is a super-2 number, since 2×13444435334412² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60021568 + ... + 60245144.

It is an arithmetic number, because the mean of its divisors is an integer number (246181735800).

Almost surely, 2^{13444435334412} is an apocalyptic number.

13444435334412 is a gapful number since it is divisible by the number (12) 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 13444435334412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17725084977600).

13444435334412 is an abundant number, since it is smaller than the sum of its proper divisors (22005734620788).

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

13444435334412 is a wasteful number, since it uses less digits than its factorization.

13444435334412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224096 (or 224091 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 45.

Adding to 13444435334412 its reverse (21443353444431), we get a palindrome (34887788778843).

The spelling of 13444435334412 in words is "thirteen trillion, four hundred forty-four billion, four hundred thirty-five million, three hundred thirty-four thousand, four hundred twelve".