13201231520052 has 18 divisors (see below), whose sum is σ = 33369779675778. Its totient is φ = 4400410506672.

The previous prime is 13201231520051. The next prime is 13201231520083. The reversal of 13201231520052 is 25002513210231.

13201231520052 is a `hidden beast` number, since 1 + 320 + 1 + 2 + 315 + 20 + 0 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12961987276176 + 239244243876 = 3600276^2 + 489126^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 13201231519998 and 13201231520025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201231520051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183350437743 + ... + 183350437814.

Almost surely, 2^{13201231520052} is an apocalyptic number.

13201231520052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13201231520052 is an abundant number, since it is smaller than the sum of its proper divisors (20168548155726).

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

13201231520052 is a wasteful number, since it uses less digits than its factorization.

13201231520052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366700875567 (or 366700875562 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 13201231520052 its reverse (25002513210231), we get a palindrome (38203744730283).

The spelling of 13201231520052 in words is "thirteen trillion, two hundred one billion, two hundred thirty-one million, five hundred twenty thousand, fifty-two".