13132021234320 has 120 divisors (see below), whose sum is σ = 44705837764536. Its totient is φ = 3453901461504.

The previous prime is 13132021234307. The next prime is 13132021234331. The reversal of 13132021234320 is 2343212023131.

13132021234320 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 202 + 1 + 23 + 432 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4301210532096 + 8830810702224 = 2073936^2 + 2971668^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124871539 + ... + 124976658.

Almost surely, 2^{13132021234320} is an apocalyptic number.

13132021234320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13132021234320 is an abundant number, since it is smaller than the sum of its proper divisors (31573816530216).

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

13132021234320 is a wasteful number, since it uses less digits than its factorization.

13132021234320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249848289 (or 249848280 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13132021234320 its reverse (2343212023131), we get a palindrome (15475233257451).

The spelling of 13132021234320 in words is "thirteen trillion, one hundred thirty-two billion, twenty-one million, two hundred thirty-four thousand, three hundred twenty".