13140252121225 has 12 divisors (see below), whose sum is σ = 16295979843216. Its totient is φ = 10510868011280.

The previous prime is 13140252121207. The next prime is 13140252121267. The reversal of 13140252121225 is 52212125204131.

It is not a de Polignac number, because 13140252121225 - 2¹¹ = 13140252119177 is a prime.

It is a super-2 number, since 2×13140252121225² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33141127 + ... + 33535276.

It is an arithmetic number, because the mean of its divisors is an integer number (1357998320268).

Almost surely, 2^{13140252121225} is an apocalyptic number.

It is an amenable number.

13140252121225 is a deficient number, since it is larger than the sum of its proper divisors (3155727721991).

13140252121225 is an equidigital number, since it uses as much as digits as its factorization.

13140252121225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66684296 (or 66684291 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 13140252121225 its reverse (52212125204131), we get a palindrome (65352377325356).

The spelling of 13140252121225 in words is "thirteen trillion, one hundred forty billion, two hundred fifty-two million, one hundred twenty-one thousand, two hundred twenty-five".