12121250725325 has 24 divisors (see below), whose sum is σ = 17204258731968. Its totient is φ = 8298788244480.

The previous prime is 12121250725301. The next prime is 12121250725327. The reversal of 12121250725325 is 52352705212121.

It is not a de Polignac number, because 12121250725325 - 2⁸ = 12121250725069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121250725327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53747732 + ... + 53972781.

It is an arithmetic number, because the mean of its divisors is an integer number (716844113832).

Almost surely, 2^{12121250725325} is an apocalyptic number.

It is an amenable number.

12121250725325 is a deficient number, since it is larger than the sum of its proper divisors (5083008006643).

12121250725325 is a wasteful number, since it uses less digits than its factorization.

12121250725325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107721173 (or 107721168 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

Adding to 12121250725325 its reverse (52352705212121), we get a palindrome (64473955937446).

The spelling of 12121250725325 in words is "twelve trillion, one hundred twenty-one billion, two hundred fifty million, seven hundred twenty-five thousand, three hundred twenty-five".