212321303021333 has 6 divisors (see below), whose sum is σ = 233377961172342. Its totient is φ = 193019366382920.

The previous prime is 212321303021299. The next prime is 212321303021339. The reversal of 212321303021333 is 333120303123212.

It can be written as a sum of positive squares in only one way, i.e., 189412654476529 + 22908648544804 = 13762727^2 + 4786298^2 .

It is not a de Polignac number, because 212321303021333 - 2¹² = 212321303017237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212321303021296 and 212321303021305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212321303021339) 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 5 ways as a sum of consecutive naturals, for example, 877360756166 + ... + 877360756407.

It is an arithmetic number, because the mean of its divisors is an integer number (38896326862057).

Almost surely, 2^{212321303021333} is an apocalyptic number.

It is an amenable number.

212321303021333 is a deficient number, since it is larger than the sum of its proper divisors (21056658151009).

212321303021333 is a wasteful number, since it uses less digits than its factorization.

212321303021333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754721512595 (or 1754721512584 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 212321303021333 its reverse (333120303123212), we get a palindrome (545441606144545).

The spelling of 212321303021333 in words is "two hundred twelve trillion, three hundred twenty-one billion, three hundred three million, twenty-one thousand, three hundred thirty-three".