12704742347381 has 12 divisors (see below), whose sum is σ = 14782757330880. Its totient is φ = 10887000276600.

The previous prime is 12704742347377. The next prime is 12704742347383. The reversal of 12704742347381 is 18374324740721.

It is not a de Polignac number, because 12704742347381 - 2² = 12704742347377 is a prime.

It is a super-2 number, since 2×12704742347381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12704742347383) 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 11 ways as a sum of consecutive naturals, for example, 32887895 + ... + 33271956.

It is an arithmetic number, because the mean of its divisors is an integer number (1231896444240).

Almost surely, 2^{12704742347381} is an apocalyptic number.

It is an amenable number.

12704742347381 is a deficient number, since it is larger than the sum of its proper divisors (2078014983499).

12704742347381 is an equidigital number, since it uses as much as digits as its factorization.

12704742347381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66163784 (or 66163777 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 53.

The spelling of 12704742347381 in words is "twelve trillion, seven hundred four billion, seven hundred forty-two million, three hundred forty-seven thousand, three hundred eighty-one".