212112322103 has 8 divisors (see below), whose sum is σ = 231428079120. Its totient is φ = 192802034880.

The previous prime is 212112322091. The next prime is 212112322129. The reversal of 212112322103 is 301223211212.

212112322103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212112322103 - 2¹⁰ = 212112321079 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 (212112322153) 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 in 7 ways as a sum of consecutive naturals, for example, 1286150 + ... + 1441667.

It is an arithmetic number, because the mean of its divisors is an integer number (28928509890).

Almost surely, 2^212112322103 is an apocalyptic number.

212112322103 is a deficient number, since it is larger than the sum of its proper divisors (19315757017).

212112322103 is a wasteful number, since it uses less digits than its factorization.

212112322103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734897.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212112322103 its reverse (301223211212), we get a palindrome (513335533315).

The spelling of 212112322103 in words is "two hundred twelve billion, one hundred twelve million, three hundred twenty-two thousand, one hundred three".