12122210221097 has 2 divisors, whose sum is σ = 12122210221098. Its totient is φ = 12122210221096.

The previous prime is 12122210221081. The next prime is 12122210221193. The reversal of 12122210221097 is 79012201222121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8066400899881 + 4055809321216 = 2840141^2 + 2013904^2 .

It is an emirp because it is prime and its reverse (79012201222121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12122210221097 - 2⁴ = 12122210221081 is a prime.

It is a super-3 number, since 3×12122210221097³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12122210227097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061105110548 + 6061105110549.

It is an arithmetic number, because the mean of its divisors is an integer number (6061105110549).

Almost surely, 2^{12122210221097} is an apocalyptic number.

It is an amenable number.

12122210221097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122210221097 is an equidigital number, since it uses as much as digits as its factorization.

12122210221097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 12122210221097 in words is "twelve trillion, one hundred twenty-two billion, two hundred ten million, two hundred twenty-one thousand, ninety-seven".