212321323030303 has 4 divisors (see below), whose sum is σ = 212331495107088. Its totient is φ = 212311150953520.

The previous prime is 212321323030247. The next prime is 212321323030343. The reversal of 212321323030303 is 303030323123212.

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 212321323030303 - 2¹³ = 212321323022111 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 (212321323030343) 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, 5086007083 + ... + 5086048828.

It is an arithmetic number, because the mean of its divisors is an integer number (53082873776772).

Almost surely, 2^{212321323030303} is an apocalyptic number.

212321323030303 is a deficient number, since it is larger than the sum of its proper divisors (10172076785).

212321323030303 is a wasteful number, since it uses less digits than its factorization.

212321323030303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10172076784.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 212321323030303 its reverse (303030323123212), we get a palindrome (515351646153515).

The spelling of 212321323030303 in words is "two hundred twelve trillion, three hundred twenty-one billion, three hundred twenty-three million, thirty thousand, three hundred three".