12722701813 has 2 divisors, whose sum is σ = 12722701814. Its totient is φ = 12722701812.

The previous prime is 12722701807. The next prime is 12722701829. The reversal of 12722701813 is 31810722721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11715464644 + 1007237169 = 108238^2 + 31737^2 .

It is a cyclic number.

It is not a de Polignac number, because 12722701813 - 2¹⁷ = 12722570741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12722701843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6361350906 + 6361350907.

It is an arithmetic number, because the mean of its divisors is an integer number (6361350907).

Almost surely, 2^12722701813 is an apocalyptic number.

It is an amenable number.

12722701813 is a deficient number, since it is larger than the sum of its proper divisors (1).

12722701813 is an equidigital number, since it uses as much as digits as its factorization.

12722701813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 34.

The spelling of 12722701813 in words is "twelve billion, seven hundred twenty-two million, seven hundred one thousand, eight hundred thirteen".