12711838445 has 8 divisors (see below), whose sum is σ = 15310914840. Its totient is φ = 10131664960.

The previous prime is 12711838427. The next prime is 12711838459. The reversal of 12711838445 is 54483811721.

It can be written as a sum of positive squares in 4 ways, for example, as 960628036 + 11751210409 = 30994^2 + 108403^2 .

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

It is not a de Polignac number, because 12711838445 - 2⁸ = 12711838189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12711838396 and 12711838405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4724246 + ... + 4726935.

It is an arithmetic number, because the mean of its divisors is an integer number (1913864355).

Almost surely, 2^12711838445 is an apocalyptic number.

It is an amenable number.

12711838445 is a deficient number, since it is larger than the sum of its proper divisors (2599076395).

12711838445 is an equidigital number, since it uses as much as digits as its factorization.

12711838445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9451455.

The product of its digits is 215040, while the sum is 44.

The spelling of 12711838445 in words is "twelve billion, seven hundred eleven million, eight hundred thirty-eight thousand, four hundred forty-five".