12733171261 has 2 divisors, whose sum is σ = 12733171262. Its totient is φ = 12733171260.

The previous prime is 12733171193. The next prime is 12733171331. The reversal of 12733171261 is 16217133721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7957532025 + 4775639236 = 89205^2 + 69106^2 .

It is a cyclic number.

It is not a de Polignac number, because 12733171261 - 2³¹ = 10585687613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12733271261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6366585630 + 6366585631.

It is an arithmetic number, because the mean of its divisors is an integer number (6366585631).

Almost surely, 2^12733171261 is an apocalyptic number.

It is an amenable number.

12733171261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12733171261 is an equidigital number, since it uses as much as digits as its factorization.

12733171261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 34.

The spelling of 12733171261 in words is "twelve billion, seven hundred thirty-three million, one hundred seventy-one thousand, two hundred sixty-one".