12212200021097 has 2 divisors, whose sum is σ = 12212200021098. Its totient is φ = 12212200021096.

The previous prime is 12212200021019. The next prime is 12212200021123. The reversal of 12212200021097 is 79012000221221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11317868553616 + 894331467481 = 3364204^2 + 945691^2 .

It is an emirp because it is prime and its reverse (79012000221221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12212200021097 - 2⁸ = 12212200020841 is a prime.

It is not a weakly prime, because it can be changed into another prime (12212200021597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106100010548 + 6106100010549.

It is an arithmetic number, because the mean of its divisors is an integer number (6106100010549).

Almost surely, 2^{12212200021097} is an apocalyptic number.

It is an amenable number.

12212200021097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212200021097 is an equidigital number, since it uses as much as digits as its factorization.

12212200021097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 12212200021097 in words is "twelve trillion, two hundred twelve billion, two hundred million, twenty-one thousand, ninety-seven".