12221135713 has 2 divisors, whose sum is σ = 12221135714. Its totient is φ = 12221135712.

The previous prime is 12221135683. The next prime is 12221135723. The reversal of 12221135713 is 31753112221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8816646609 + 3404489104 = 93897^2 + 58348^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221135713 - 2⁵ = 12221135681 is a prime.

It is not a weakly prime, because it can be changed into another prime (12221135723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110567856 + 6110567857.

It is an arithmetic number, because the mean of its divisors is an integer number (6110567857).

Almost surely, 2^12221135713 is an apocalyptic number.

It is an amenable number.

12221135713 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221135713 is an equidigital number, since it uses as much as digits as its factorization.

12221135713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

Adding to 12221135713 its reverse (31753112221), we get a palindrome (43974247934).

The spelling of 12221135713 in words is "twelve billion, two hundred twenty-one million, one hundred thirty-five thousand, seven hundred thirteen".