212120012122097 has 2 divisors, whose sum is σ = 212120012122098. Its totient is φ = 212120012122096.

The previous prime is 212120012122037. The next prime is 212120012122129. The reversal of 212120012122097 is 790221210021212.

It is an a-pointer prime, because the next prime (212120012122129) can be obtained adding 212120012122097 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207634727735296 + 4485284386801 = 14409536^2 + 2117849^2 .

It is a cyclic number.

It is not a de Polignac number, because 212120012122097 - 2¹⁴ = 212120012105713 is a prime.

It is not a weakly prime, because it can be changed into another prime (212120012122037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106060006061048 + 106060006061049.

It is an arithmetic number, because the mean of its divisors is an integer number (106060006061049).

Almost surely, 2^{212120012122097} is an apocalyptic number.

It is an amenable number.

212120012122097 is a deficient number, since it is larger than the sum of its proper divisors (1).

212120012122097 is an equidigital number, since it uses as much as digits as its factorization.

212120012122097 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 212120012122097 in words is "two hundred twelve trillion, one hundred twenty billion, twelve million, one hundred twenty-two thousand, ninety-seven".