121234422317 has 2 divisors, whose sum is σ = 121234422318. Its totient is φ = 121234422316.

The previous prime is 121234422313. The next prime is 121234422341. The reversal of 121234422317 is 713224432121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81715367881 + 39519054436 = 285859^2 + 198794^2 .

It is a cyclic number.

It is not a de Polignac number, because 121234422317 - 2² = 121234422313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121234422313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60617211158 + 60617211159.

It is an arithmetic number, because the mean of its divisors is an integer number (60617211159).

Almost surely, 2^121234422317 is an apocalyptic number.

It is an amenable number.

121234422317 is a deficient number, since it is larger than the sum of its proper divisors (1).

121234422317 is an equidigital number, since it uses as much as digits as its factorization.

121234422317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

Adding to 121234422317 its reverse (713224432121), we get a palindrome (834458854438).

The spelling of 121234422317 in words is "one hundred twenty-one billion, two hundred thirty-four million, four hundred twenty-two thousand, three hundred seventeen".