12651435706073 has 2 divisors, whose sum is σ = 12651435706074. Its totient is φ = 12651435706072.

The previous prime is 12651435706057. The next prime is 12651435706079. The reversal of 12651435706073 is 37060753415621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12222519429184 + 428916276889 = 3496072^2 + 654917^2 .

It is a cyclic number.

It is not a de Polignac number, because 12651435706073 - 2⁴ = 12651435706057 is a prime.

It is not a weakly prime, because it can be changed into another prime (12651435706079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325717853036 + 6325717853037.

It is an arithmetic number, because the mean of its divisors is an integer number (6325717853037).

Almost surely, 2^{12651435706073} is an apocalyptic number.

It is an amenable number.

12651435706073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12651435706073 is an equidigital number, since it uses as much as digits as its factorization.

12651435706073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 12651435706073 in words is "twelve trillion, six hundred fifty-one billion, four hundred thirty-five million, seven hundred six thousand, seventy-three".