13520291122 has 32 divisors (see below), whose sum is σ = 22079478960. Its totient is φ = 6172078080.

The previous prime is 13520291107. The next prime is 13520291171. The reversal of 13520291122 is 22119202531.

It can be written as a sum of positive squares in 8 ways, for example, as 6738603921 + 6781687201 = 82089^2 + 82351^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1490922 + ... + 1499962.

Almost surely, 2^13520291122 is an apocalyptic number.

13520291122 is a deficient number, since it is larger than the sum of its proper divisors (8559187838).

13520291122 is a wasteful number, since it uses less digits than its factorization.

13520291122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9678.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 13520291122 its reverse (22119202531), we get a palindrome (35639493653).

The spelling of 13520291122 in words is "thirteen billion, five hundred twenty million, two hundred ninety-one thousand, one hundred twenty-two".