1312020403042 has 8 divisors (see below), whose sum is σ = 1975513611456. Its totient is φ = 653515865892.

The previous prime is 1312020403007. The next prime is 1312020403061. The reversal of 1312020403042 is 2403040202131.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247167158 + ... + 1247168209.

It is an arithmetic number, because the mean of its divisors is an integer number (246939201432).

Almost surely, 2^{1312020403042} is an apocalyptic number.

1312020403042 is a deficient number, since it is larger than the sum of its proper divisors (663493208414).

1312020403042 is a wasteful number, since it uses less digits than its factorization.

1312020403042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494335632.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1312020403042 its reverse (2403040202131), we get a palindrome (3715060605173).

The spelling of 1312020403042 in words is "one trillion, three hundred twelve billion, twenty million, four hundred three thousand, forty-two".