12678271111379 has 4 divisors (see below), whose sum is σ = 12683979475200. Its totient is φ = 12672562747560.

The previous prime is 12678271111351. The next prime is 12678271111393. The reversal of 12678271111379 is 97311117287621.

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 12678271111379 - 2⁸ = 12678271111123 is a prime.

It is a super-3 number, since 3×12678271111379³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12678271111279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2854178579 + ... + 2854183020.

It is an arithmetic number, because the mean of its divisors is an integer number (3170994868800).

Almost surely, 2^{12678271111379} is an apocalyptic number.

12678271111379 is a deficient number, since it is larger than the sum of its proper divisors (5708363821).

12678271111379 is an equidigital number, since it uses as much as digits as its factorization.

12678271111379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5708363820.

The product of its digits is 1778112, while the sum is 56.

The spelling of 12678271111379 in words is "twelve trillion, six hundred seventy-eight billion, two hundred seventy-one million, one hundred eleven thousand, three hundred seventy-nine".