1312001534125 has 8 divisors (see below), whose sum is σ = 1637377914744. Its totient is φ = 1049601227200.

The previous prime is 1312001534101. The next prime is 1312001534141. The reversal of 1312001534125 is 5214351002131.

It can be written as a sum of positive squares in 4 ways, for example, as 1970205769 + 1310031328356 = 44387^2 + 1144566^2 .

It is not a de Polignac number, because 1312001534125 - 2⁹ = 1312001533613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312001534093 and 1312001534102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5248006012 + ... + 5248006261.

It is an arithmetic number, because the mean of its divisors is an integer number (204672239343).

Almost surely, 2^{1312001534125} is an apocalyptic number.

It is an amenable number.

1312001534125 is a deficient number, since it is larger than the sum of its proper divisors (325376380619).

1312001534125 is an equidigital number, since it uses as much as digits as its factorization.

1312001534125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10496012288 (or 10496012278 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 1312001534125 its reverse (5214351002131), we get a palindrome (6526352536256).

The spelling of 1312001534125 in words is "one trillion, three hundred twelve billion, one million, five hundred thirty-four thousand, one hundred twenty-five".