1312552078366 has 8 divisors (see below), whose sum is σ = 2016848315664. Its totient is φ = 640269306480.

The previous prime is 1312552078303. The next prime is 1312552078373. The reversal of 1312552078366 is 6638702552131.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 8003366250 + ... + 8003366413.

It is an arithmetic number, because the mean of its divisors is an integer number (252106039458).

Almost surely, 2^{1312552078366} is an apocalyptic number.

1312552078366 is a deficient number, since it is larger than the sum of its proper divisors (704296237298).

1312552078366 is a wasteful number, since it uses less digits than its factorization.

1312552078366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16006732706.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 1312552078366 in words is "one trillion, three hundred twelve billion, five hundred fifty-two million, seventy-eight thousand, three hundred sixty-six".