13235435125012 has 48 divisors (see below), whose sum is σ = 23552435575872. Its totient is φ = 6506554095360.

The previous prime is 13235435125009. The next prime is 13235435125019. The reversal of 13235435125012 is 21052153453231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13235435125019) 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 15 ways as a sum of consecutive naturals, for example, 356510683 + ... + 356547805.

It is an arithmetic number, because the mean of its divisors is an integer number (490675741164).

Almost surely, 2^{13235435125012} is an apocalyptic number.

It is an amenable number.

13235435125012 is a deficient number, since it is larger than the sum of its proper divisors (10317000450860).

13235435125012 is a wasteful number, since it uses less digits than its factorization.

13235435125012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39688 (or 39686 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 13235435125012 its reverse (21052153453231), we get a palindrome (34287588578243).

The spelling of 13235435125012 in words is "thirteen trillion, two hundred thirty-five billion, four hundred thirty-five million, one hundred twenty-five thousand, twelve".