13520335122 has 48 divisors (see below), whose sum is σ = 33719824320. Its totient is φ = 3835156896.

The previous prime is 13520335121. The next prime is 13520335141. The reversal of 13520335122 is 22153302531.

It is a happy number.

13520335122 is a `hidden beast` number, since 13 + 520 + 3 + 3 + 5 + 122 = 666.

It is a super-2 number, since 2×13520335122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13520335121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368473 + ... + 403500.

It is an arithmetic number, because the mean of its divisors is an integer number (702496340).

Almost surely, 2^13520335122 is an apocalyptic number.

13520335122 is an abundant number, since it is smaller than the sum of its proper divisors (20199489198).

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

13520335122 is a wasteful number, since it uses less digits than its factorization.

13520335122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772127 (or 772124 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 13520335122 its reverse (22153302531), we get a palindrome (35673637653).

The spelling of 13520335122 in words is "thirteen billion, five hundred twenty million, three hundred thirty-five thousand, one hundred twenty-two".