13205452512125 has 16 divisors (see below), whose sum is σ = 16488852197376. Its totient is φ = 10558946970000.

The previous prime is 13205452512107. The next prime is 13205452512139. The reversal of 13205452512125 is 52121525450231.

It is not a de Polignac number, because 13205452512125 - 2¹² = 13205452508029 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 26830349 + ... + 27318098.

It is an arithmetic number, because the mean of its divisors is an integer number (1030553262336).

Almost surely, 2^{13205452512125} is an apocalyptic number.

It is an amenable number.

13205452512125 is a deficient number, since it is larger than the sum of its proper divisors (3283399685251).

13205452512125 is an equidigital number, since it uses as much as digits as its factorization.

13205452512125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54150413 (or 54150403 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 13205452512125 its reverse (52121525450231), we get a palindrome (65326977962356).

The spelling of 13205452512125 in words is "thirteen trillion, two hundred five billion, four hundred fifty-two million, five hundred twelve thousand, one hundred twenty-five".