12242297077 has 2 divisors, whose sum is σ = 12242297078. Its totient is φ = 12242297076.

The previous prime is 12242297047. The next prime is 12242297083. The reversal of 12242297077 is 77079224221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9555844516 + 2686452561 = 97754^2 + 51831^2 .

It is a cyclic number.

It is not a de Polignac number, because 12242297077 - 2¹¹ = 12242295029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12242297047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121148538 + 6121148539.

It is an arithmetic number, because the mean of its divisors is an integer number (6121148539).

Almost surely, 2^12242297077 is an apocalyptic number.

It is an amenable number.

12242297077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242297077 is an equidigital number, since it uses as much as digits as its factorization.

12242297077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 12242297077 in words is "twelve billion, two hundred forty-two million, two hundred ninety-seven thousand, seventy-seven".