212112113237 has 2 divisors, whose sum is σ = 212112113238. Its totient is φ = 212112113236.

The previous prime is 212112113201. The next prime is 212112113243. The reversal of 212112113237 is 732311211212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178346580721 + 33765532516 = 422311^2 + 183754^2 .

It is a cyclic number.

It is not a de Polignac number, because 212112113237 - 2¹⁰ = 212112112213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212112143237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056056618 + 106056056619.

It is an arithmetic number, because the mean of its divisors is an integer number (106056056619).

Almost surely, 2^212112113237 is an apocalyptic number.

It is an amenable number.

212112113237 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112113237 is an equidigital number, since it uses as much as digits as its factorization.

212112113237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

Adding to 212112113237 its reverse (732311211212), we get a palindrome (944423324449).

The spelling of 212112113237 in words is "two hundred twelve billion, one hundred twelve million, one hundred thirteen thousand, two hundred thirty-seven".