1312051301042 has 8 divisors (see below), whose sum is σ = 2000340508332. Its totient is φ = 645271131600.

The previous prime is 1312051301021. The next prime is 1312051301047. The reversal of 1312051301042 is 2401031502131.

It can be written as a sum of positive squares in 2 ways, for example, as 935802782161 + 376248518881 = 967369^2 + 613391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1312051300999 and 1312051301017.

It is not an unprimeable number, because it can be changed into a prime (1312051301047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5377259309 + ... + 5377259552.

Almost surely, 2^{1312051301042} is an apocalyptic number.

1312051301042 is a deficient number, since it is larger than the sum of its proper divisors (688289207290).

1312051301042 is a wasteful number, since it uses less digits than its factorization.

1312051301042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10754518924.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 1312051301042 its reverse (2401031502131), we get a palindrome (3713082803173).

The spelling of 1312051301042 in words is "one trillion, three hundred twelve billion, fifty-one million, three hundred one thousand, forty-two".