1312552078367 has 4 divisors (see below), whose sum is σ = 1312585566096. Its totient is φ = 1312518590640.

The previous prime is 1312552078303. The next prime is 1312552078373. The reversal of 1312552078367 is 7638702552131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1312552078367 - 2⁶ = 1312552078303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312552018367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16685003 + ... + 16763484.

It is an arithmetic number, because the mean of its divisors is an integer number (328146391524).

Almost surely, 2^{1312552078367} is an apocalyptic number.

1312552078367 is a deficient number, since it is larger than the sum of its proper divisors (33487729).

1312552078367 is an equidigital number, since it uses as much as digits as its factorization.

1312552078367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33487728.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 1312552078367 in words is "one trillion, three hundred twelve billion, five hundred fifty-two million, seventy-eight thousand, three hundred sixty-seven".