12051846838847 has 4 divisors (see below), whose sum is σ = 12760779005856. Its totient is φ = 11342914671840.

The previous prime is 12051846838841. The next prime is 12051846838903. The reversal of 12051846838847 is 74883864815021.

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 12051846838847 - 2⁴ = 12051846838831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12051846838841) 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, 354466083479 + ... + 354466083512.

It is an arithmetic number, because the mean of its divisors is an integer number (3190194751464).

Almost surely, 2^{12051846838847} is an apocalyptic number.

12051846838847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12051846838847 is a deficient number, since it is larger than the sum of its proper divisors (708932167009).

12051846838847 is an equidigital number, since it uses as much as digits as its factorization.

12051846838847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708932167008.

The product of its (nonzero) digits is 82575360, while the sum is 65.

The spelling of 12051846838847 in words is "twelve trillion, fifty-one billion, eight hundred forty-six million, eight hundred thirty-eight thousand, eight hundred forty-seven".