212112101221203 has 8 divisors (see below), whose sum is σ = 282827365500928. Its totient is φ = 141402452211144.

The previous prime is 212112101221121. The next prime is 212112101221213. The reversal of 212112101221203 is 302122101211212.

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

It is not a de Polignac number, because 212112101221203 - 2¹⁴ = 212112101204819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212112101221203.

It is not an unprimeable number, because it can be changed into a prime (212112101221213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1403729275 + ... + 1403880372.

It is an arithmetic number, because the mean of its divisors is an integer number (35353420687616).

Almost surely, 2^{212112101221203} is an apocalyptic number.

212112101221203 is a deficient number, since it is larger than the sum of its proper divisors (70715264279725).

212112101221203 is a wasteful number, since it uses less digits than its factorization.

212112101221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807634833.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 212112101221203 its reverse (302122101211212), we get a palindrome (514234202432415).

Subtracting 212112101221203 from its reverse (302122101211212), we obtain a palindrome (90009999990009).

The spelling of 212112101221203 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred one million, two hundred twenty-one thousand, two hundred three".