12513222535 has 32 divisors (see below), whose sum is σ = 16562880000. Its totient is φ = 8999756160.

The previous prime is 12513222479. The next prime is 12513222577. The reversal of 12513222535 is 53522231521.

It is a de Polignac number, because none of the positive numbers 2^k-12513222535 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12513222497 and 12513222506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4170966 + ... + 4173964.

It is an arithmetic number, because the mean of its divisors is an integer number (517590000).

Almost surely, 2^12513222535 is an apocalyptic number.

12513222535 is a deficient number, since it is larger than the sum of its proper divisors (4049657465).

12513222535 is a wasteful number, since it uses less digits than its factorization.

12513222535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831.

The product of its digits is 18000, while the sum is 31.

The spelling of 12513222535 in words is "twelve billion, five hundred thirteen million, two hundred twenty-two thousand, five hundred thirty-five".