12734072123 has 2 divisors, whose sum is σ = 12734072124. Its totient is φ = 12734072122.

The previous prime is 12734072111. The next prime is 12734072161. The reversal of 12734072123 is 32127043721.

12734072123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12734072123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12734072123.

It is not a weakly prime, because it can be changed into another prime (12734074123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6367036061 + 6367036062.

It is an arithmetic number, because the mean of its divisors is an integer number (6367036062).

Almost surely, 2^12734072123 is an apocalyptic number.

12734072123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12734072123 is an equidigital number, since it uses as much as digits as its factorization.

12734072123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 32.

The spelling of 12734072123 in words is "twelve billion, seven hundred thirty-four million, seventy-two thousand, one hundred twenty-three".