12971750353 has 2 divisors, whose sum is σ = 12971750354. Its totient is φ = 12971750352.

The previous prime is 12971750317. The next prime is 12971750377. The reversal of 12971750353 is 35305717921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12439387024 + 532363329 = 111532^2 + 23073^2 .

It is a cyclic number.

It is not a de Polignac number, because 12971750353 - 2²¹ = 12969653201 is a prime.

It is not a weakly prime, because it can be changed into another prime (12971750303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6485875176 + 6485875177.

It is an arithmetic number, because the mean of its divisors is an integer number (6485875177).

Almost surely, 2^12971750353 is an apocalyptic number.

It is an amenable number.

12971750353 is a deficient number, since it is larger than the sum of its proper divisors (1).

12971750353 is an equidigital number, since it uses as much as digits as its factorization.

12971750353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 198450, while the sum is 43.

The spelling of 12971750353 in words is "twelve billion, nine hundred seventy-one million, seven hundred fifty thousand, three hundred fifty-three".