12202000721 has 2 divisors, whose sum is σ = 12202000722. Its totient is φ = 12202000720.

The previous prime is 12202000667. The next prime is 12202000753. The reversal of 12202000721 is 12700020221.

12202000721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9483838225 + 2718162496 = 97385^2 + 52136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12202000721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12202000721.

It is not a weakly prime, because it can be changed into another prime (12202000021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101000360 + 6101000361.

It is an arithmetic number, because the mean of its divisors is an integer number (6101000361).

Almost surely, 2^12202000721 is an apocalyptic number.

It is an amenable number.

12202000721 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202000721 is an equidigital number, since it uses as much as digits as its factorization.

12202000721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 12202000721 its reverse (12700020221), we get a palindrome (24902020942).

The spelling of 12202000721 in words is "twelve billion, two hundred two million, seven hundred twenty-one", and thus it is an aban number.