13333243121000 has 128 divisors (see below), whose sum is σ = 34040047392000. Its totient is φ = 4847894496000.

The previous prime is 13333243120877. The next prime is 13333243121021. The reversal of 13333243121000 is 12134233331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102443966 + ... + 102574034.

It is an arithmetic number, because the mean of its divisors is an integer number (265937870250).

Almost surely, 2^{13333243121000} is an apocalyptic number.

13333243121000 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 13333243121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17020023696000).

13333243121000 is an abundant number, since it is smaller than the sum of its proper divisors (20706804271000).

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

13333243121000 is a wasteful number, since it uses less digits than its factorization.

13333243121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139420 (or 139406 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 13333243121000 its reverse (12134233331), we get a palindrome (13345377354331).

The spelling of 13333243121000 in words is "thirteen trillion, three hundred thirty-three billion, two hundred forty-three million, one hundred twenty-one thousand".