212112202303 has 4 divisors (see below), whose sum is σ = 212143269640. Its totient is φ = 212081134968.

The previous prime is 212112202279. The next prime is 212112202319. The reversal of 212112202303 is 303202211212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212112202303 - 2³⁷ = 74673248831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112202343) 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 in 3 ways as a sum of consecutive naturals, for example, 15523425 + ... + 15537082.

It is an arithmetic number, because the mean of its divisors is an integer number (53035817410).

Almost surely, 2^212112202303 is an apocalyptic number.

212112202303 is a deficient number, since it is larger than the sum of its proper divisors (31067337).

212112202303 is an equidigital number, since it uses as much as digits as its factorization.

212112202303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31067336.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212112202303 its reverse (303202211212), we get a palindrome (515314413515).

The spelling of 212112202303 in words is "two hundred twelve billion, one hundred twelve million, two hundred two thousand, three hundred three".