1312302305525 has 48 divisors (see below), whose sum is σ = 1671471144000. Its totient is φ = 1021712693760.

The previous prime is 1312302305513. The next prime is 1312302305557. The reversal of 1312302305525 is 5255032032131.

It is not a de Polignac number, because 1312302305525 - 2²² = 1312298111221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312302305491 and 1312302305500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 230914334 + ... + 230920016.

It is an arithmetic number, because the mean of its divisors is an integer number (34822315500).

Almost surely, 2^{1312302305525} is an apocalyptic number.

It is an amenable number.

1312302305525 is a deficient number, since it is larger than the sum of its proper divisors (359168838475).

1312302305525 is a wasteful number, since it uses less digits than its factorization.

1312302305525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7398 (or 7393 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 1312302305525 its reverse (5255032032131), we get a palindrome (6567334337656).

The spelling of 1312302305525 in words is "one trillion, three hundred twelve billion, three hundred two million, three hundred five thousand, five hundred twenty-five".