13122115435 has 48 divisors (see below), whose sum is σ = 18825266880. Its totient is φ = 8721504000.

The previous prime is 13122115403. The next prime is 13122115439. The reversal of 13122115435 is 53451122131.

It is not a de Polignac number, because 13122115435 - 2⁵ = 13122115403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13122115439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 786106 + ... + 802624.

It is an arithmetic number, because the mean of its divisors is an integer number (392193060).

Almost surely, 2^13122115435 is an apocalyptic number.

13122115435 is a deficient number, since it is larger than the sum of its proper divisors (5703151445).

13122115435 is a wasteful number, since it uses less digits than its factorization.

13122115435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16660 (or 16649 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

Adding to 13122115435 its reverse (53451122131), we get a palindrome (66573237566).

The spelling of 13122115435 in words is "thirteen billion, one hundred twenty-two million, one hundred fifteen thousand, four hundred thirty-five".