13242120325533 has 24 divisors (see below), whose sum is σ = 21072969174816. Its totient is φ = 7946066796000.

The previous prime is 13242120325487. The next prime is 13242120325663. The reversal of 13242120325533 is 33552302124231.

13242120325533 is a `hidden beast` number, since 1 + 3 + 2 + 421 + 203 + 25 + 5 + 3 + 3 = 666.

It is not a de Polignac number, because 13242120325533 - 2³⁴ = 13224940456349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242120327533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 662162235 + ... + 662182232.

It is an arithmetic number, because the mean of its divisors is an integer number (878040382284).

Almost surely, 2^{13242120325533} is an apocalyptic number.

It is an amenable number.

13242120325533 is a deficient number, since it is larger than the sum of its proper divisors (7830848849283).

13242120325533 is a wasteful number, since it uses less digits than its factorization.

13242120325533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324344585 (or 1324344582 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 13242120325533 its reverse (33552302124231), we get a palindrome (46794422449764).

The spelling of 13242120325533 in words is "thirteen trillion, two hundred forty-two billion, one hundred twenty million, three hundred twenty-five thousand, five hundred thirty-three".