12378902371267 has 4 divisors (see below), whose sum is σ = 12492470283040. Its totient is φ = 12265334459496.

The previous prime is 12378902371247. The next prime is 12378902371279. The reversal of 12378902371267 is 76217320987321.

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 12378902371267 - 2¹⁵ = 12378902338499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12378902371247) 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, 56783955723 + ... + 56783955940.

It is an arithmetic number, because the mean of its divisors is an integer number (3123117570760).

Almost surely, 2^{12378902371267} is an apocalyptic number.

12378902371267 is a deficient number, since it is larger than the sum of its proper divisors (113567911773).

12378902371267 is a wasteful number, since it uses less digits than its factorization.

12378902371267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113567911772.

The product of its (nonzero) digits is 10668672, while the sum is 58.

The spelling of 12378902371267 in words is "twelve trillion, three hundred seventy-eight billion, nine hundred two million, three hundred seventy-one thousand, two hundred sixty-seven".