1312252530544 has 20 divisors (see below), whose sum is σ = 2542765830696. Its totient is φ = 656054896832.

The previous prime is 1312252530541. The next prime is 1312252530581. The reversal of 1312252530544 is 4450352522131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312252530541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4308679 + ... + 4603174.

Almost surely, 2^{1312252530544} is an apocalyptic number.

It is an amenable number.

1312252530544 is a deficient number, since it is larger than the sum of its proper divisors (1230513300152).

1312252530544 is an equidigital number, since it uses as much as digits as its factorization.

1312252530544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8921064 (or 8921058 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 1312252530544 in words is "one trillion, three hundred twelve billion, two hundred fifty-two million, five hundred thirty thousand, five hundred forty-four".