213123213120333 has 16 divisors (see below), whose sum is σ = 285184411174656. Its totient is φ = 141572110014720.

The previous prime is 213123213120263. The next prime is 213123213120347. The reversal of 213123213120333 is 333021312321312.

It is not a de Polignac number, because 213123213120333 - 2³⁷ = 212985774166861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213123213120333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213123283120333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23312460 + ... + 31140282.

It is an arithmetic number, because the mean of its divisors is an integer number (17824025698416).

Almost surely, 2^{213123213120333} is an apocalyptic number.

It is an amenable number.

213123213120333 is a deficient number, since it is larger than the sum of its proper divisors (72061198054323).

213123213120333 is a wasteful number, since it uses less digits than its factorization.

213123213120333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7860404.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 213123213120333 its reverse (333021312321312), we get a palindrome (546144525441645).

The spelling of 213123213120333 in words is "two hundred thirteen trillion, one hundred twenty-three billion, two hundred thirteen million, one hundred twenty thousand, three hundred thirty-three".