13513515041212 has 24 divisors (see below), whose sum is σ = 24893866916240. Its totient is φ = 6400997343360.

The previous prime is 13513515041189. The next prime is 13513515041297. The reversal of 13513515041212 is 21214051531531.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1541662 + ... + 5422522.

Almost surely, 2^{13513515041212} is an apocalyptic number.

It is an amenable number.

13513515041212 is a deficient number, since it is larger than the sum of its proper divisors (11380351875028).

13513515041212 is a wasteful number, since it uses less digits than its factorization.

13513515041212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926701 (or 3926699 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 13513515041212 its reverse (21214051531531), we get a palindrome (34727566572743).

The spelling of 13513515041212 in words is "thirteen trillion, five hundred thirteen billion, five hundred fifteen million, forty-one thousand, two hundred twelve".