12722838133 has 2 divisors, whose sum is σ = 12722838134. Its totient is φ = 12722838132.

The previous prime is 12722838109. The next prime is 12722838179. The reversal of 12722838133 is 33183822721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12606349284 + 116488849 = 112278^2 + 10793^2 .

It is a cyclic number.

It is not a de Polignac number, because 12722838133 - 2²⁹ = 12185967221 is a prime.

It is a super-2 number, since 2×12722838133² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12722839133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6361419066 + 6361419067.

It is an arithmetic number, because the mean of its divisors is an integer number (6361419067).

Almost surely, 2^12722838133 is an apocalyptic number.

It is an amenable number.

12722838133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12722838133 is an equidigital number, since it uses as much as digits as its factorization.

12722838133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The spelling of 12722838133 in words is "twelve billion, seven hundred twenty-two million, eight hundred thirty-eight thousand, one hundred thirty-three".