12939171011827 has 8 divisors (see below), whose sum is σ = 13122139540320. Its totient is φ = 12756222669120.

The previous prime is 12939171011771. The next prime is 12939171011873. The reversal of 12939171011827 is 72811017193921.

12939171011827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12939171011827 - 2⁷ = 12939171011699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12939171011887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753048 + ... + 6321685.

It is an arithmetic number, because the mean of its divisors is an integer number (1640267442540).

Almost surely, 2^{12939171011827} is an apocalyptic number.

12939171011827 is a deficient number, since it is larger than the sum of its proper divisors (182968528493).

12939171011827 is a wasteful number, since it uses less digits than its factorization.

12939171011827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10092893.

The product of its (nonzero) digits is 381024, while the sum is 52.

The spelling of 12939171011827 in words is "twelve trillion, nine hundred thirty-nine billion, one hundred seventy-one million, eleven thousand, eight hundred twenty-seven".