13243205136224 has 72 divisors (see below), whose sum is σ = 30330468696528. Its totient is φ = 5675441506560.

The previous prime is 13243205136199. The next prime is 13243205136247. The reversal of 13243205136224 is 42263150234231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44654669 + ... + 44950259.

It is an arithmetic number, because the mean of its divisors is an integer number (421256509674).

Almost surely, 2^{13243205136224} is an apocalyptic number.

13243205136224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13243205136224 is an abundant number, since it is smaller than the sum of its proper divisors (17087263560304).

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

13243205136224 is a wasteful number, since it uses less digits than its factorization.

13243205136224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324188 (or 324173 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 13243205136224 in words is "thirteen trillion, two hundred forty-three billion, two hundred five million, one hundred thirty-six thousand, two hundred twenty-four".