13520413303122 has 64 divisors (see below), whose sum is σ = 30204997355520. Its totient is φ = 4000171862400.

The previous prime is 13520413303121. The next prime is 13520413303171. The reversal of 13520413303122 is 22130331402531.

It is a self number, because there is not a number n which added to its sum of digits gives 13520413303122.

It is not an unprimeable number, because it can be changed into a prime (13520413303121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13523547 + ... + 14488862.

It is an arithmetic number, because the mean of its divisors is an integer number (471953083680).

Almost surely, 2^{13520413303122} is an apocalyptic number.

13520413303122 is an abundant number, since it is smaller than the sum of its proper divisors (16684584052398).

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

13520413303122 is a wasteful number, since it uses less digits than its factorization.

13520413303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28012599.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 13520413303122 its reverse (22130331402531), we get a palindrome (35650744705653).

The spelling of 13520413303122 in words is "thirteen trillion, five hundred twenty billion, four hundred thirteen million, three hundred three thousand, one hundred twenty-two".