212251003243 has 2 divisors, whose sum is σ = 212251003244. Its totient is φ = 212251003242.

The previous prime is 212251003241. The next prime is 212251003273. The reversal of 212251003243 is 342300152212.

212251003243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212251003243 - 2¹ = 212251003241 is a prime.

Together with 212251003241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (212251003241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106125501621 + 106125501622.

It is an arithmetic number, because the mean of its divisors is an integer number (106125501622).

Almost surely, 2^212251003243 is an apocalyptic number.

212251003243 is a deficient number, since it is larger than the sum of its proper divisors (1).

212251003243 is an equidigital number, since it uses as much as digits as its factorization.

212251003243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 212251003243 its reverse (342300152212), we get a palindrome (554551155455).

The spelling of 212251003243 in words is "two hundred twelve billion, two hundred fifty-one million, three thousand, two hundred forty-three".