12746522746273 has 2 divisors, whose sum is σ = 12746522746274. Its totient is φ = 12746522746272.

The previous prime is 12746522746241. The next prime is 12746522746291. The reversal of 12746522746273 is 37264722564721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9894723865744 + 2851798880529 = 3145588^2 + 1688727^2 .

It is an emirp because it is prime and its reverse (37264722564721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12746522746273 - 2⁵ = 12746522746241 is a prime.

It is not a weakly prime, because it can be changed into another prime (12746522746073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6373261373136 + 6373261373137.

It is an arithmetic number, because the mean of its divisors is an integer number (6373261373137).

Almost surely, 2^{12746522746273} is an apocalyptic number.

It is an amenable number.

12746522746273 is a deficient number, since it is larger than the sum of its proper divisors (1).

12746522746273 is an equidigital number, since it uses as much as digits as its factorization.

12746522746273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47416320, while the sum is 58.

The spelling of 12746522746273 in words is "twelve trillion, seven hundred forty-six billion, five hundred twenty-two million, seven hundred forty-six thousand, two hundred seventy-three".