212012211022203 has 8 divisors (see below), whose sum is σ = 285276369571600. Its totient is φ = 140044763243808.

The previous prime is 212012211022181. The next prime is 212012211022229. The reversal of 212012211022203 is 302220112210212.

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

It is not a de Polignac number, because 212012211022203 - 2¹³ = 212012211014011 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 212012211022203.

It is not an unprimeable number, because it can be changed into a prime (212012211022273) 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 7 ways as a sum of consecutive naturals, for example, 324177692368 + ... + 324177693021.

It is an arithmetic number, because the mean of its divisors is an integer number (35659546196450).

Almost surely, 2^{212012211022203} is an apocalyptic number.

212012211022203 is a deficient number, since it is larger than the sum of its proper divisors (73264158549397).

212012211022203 is a wasteful number, since it uses less digits than its factorization.

212012211022203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648355385501.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 212012211022203 its reverse (302220112210212), we get a palindrome (514232323232415).

The spelling of 212012211022203 in words is "two hundred twelve trillion, twelve billion, two hundred eleven million, twenty-two thousand, two hundred three".