12312653465525 has 24 divisors (see below), whose sum is σ = 17449038231744. Its totient is φ = 8442841737600.

The previous prime is 12312653465521. The next prime is 12312653465569. The reversal of 12312653465525 is 52556435621321.

12312653465525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12312653465525 - 2² = 12312653465521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312653465521) 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, 12779705 + ... + 13709345.

It is an arithmetic number, because the mean of its divisors is an integer number (727043259656).

Almost surely, 2^{12312653465525} is an apocalyptic number.

It is an amenable number.

12312653465525 is a deficient number, since it is larger than the sum of its proper divisors (5136384766219).

12312653465525 is an equidigital number, since it uses as much as digits as its factorization.

12312653465525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005341 (or 1005336 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 50.

The spelling of 12312653465525 in words is "twelve trillion, three hundred twelve billion, six hundred fifty-three million, four hundred sixty-five thousand, five hundred twenty-five".