212122123323037 has 2 divisors, whose sum is σ = 212122123323038. Its totient is φ = 212122123323036.

The previous prime is 212122123323023. The next prime is 212122123323049. The reversal of 212122123323037 is 730323321221212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208971714869316 + 3150408453721 = 14455854^2 + 1774939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212122123323037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212122123322993 and 212122123323011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212122123323007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106061061661518 + 106061061661519.

It is an arithmetic number, because the mean of its divisors is an integer number (106061061661519).

Almost surely, 2^{212122123323037} is an apocalyptic number.

It is an amenable number.

212122123323037 is a deficient number, since it is larger than the sum of its proper divisors (1).

212122123323037 is an equidigital number, since it uses as much as digits as its factorization.

212122123323037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

Adding to 212122123323037 its reverse (730323321221212), we get a palindrome (942445444544249).

The spelling of 212122123323037 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred twenty-three million, three hundred twenty-three thousand, thirty-seven".