12351310521425 has 24 divisors (see below), whose sum is σ = 15452827309920. Its totient is φ = 9792779846400.

The previous prime is 12351310521419. The next prime is 12351310521443. The reversal of 12351310521425 is 52412501315321.

It is not a de Polignac number, because 12351310521425 - 2²⁰ = 12351309472849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1128152 + ... + 5096601.

It is an arithmetic number, because the mean of its divisors is an integer number (643867804580).

Almost surely, 2^{12351310521425} is an apocalyptic number.

It is an amenable number.

12351310521425 is a deficient number, since it is larger than the sum of its proper divisors (3101516788495).

12351310521425 is a wasteful number, since it uses less digits than its factorization.

12351310521425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225473 (or 6225468 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 12351310521425 its reverse (52412501315321), we get a palindrome (64763811836746).

The spelling of 12351310521425 in words is "twelve trillion, three hundred fifty-one billion, three hundred ten million, five hundred twenty-one thousand, four hundred twenty-five".