12550571722393 has 2 divisors, whose sum is σ = 12550571722394. Its totient is φ = 12550571722392.

The previous prime is 12550571722387. The next prime is 12550571722411. The reversal of 12550571722393 is 39322717505521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9021084334144 + 3529487388249 = 3003512^2 + 1878693^2 .

It is a cyclic number.

It is not a de Polignac number, because 12550571722393 - 2²⁹ = 12550034851481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12550571722393.

It is not a weakly prime, because it can be changed into another prime (12550571729393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6275285861196 + 6275285861197.

It is an arithmetic number, because the mean of its divisors is an integer number (6275285861197).

Almost surely, 2^{12550571722393} is an apocalyptic number.

It is an amenable number.

12550571722393 is a deficient number, since it is larger than the sum of its proper divisors (1).

12550571722393 is an equidigital number, since it uses as much as digits as its factorization.

12550571722393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969000, while the sum is 52.

The spelling of 12550571722393 in words is "twelve trillion, five hundred fifty billion, five hundred seventy-one million, seven hundred twenty-two thousand, three hundred ninety-three".