212330131123213 has 16 divisors (see below), whose sum is σ = 215293355468800. Its totient is φ = 209387667913200.

The previous prime is 212330131123157. The next prime is 212330131123219. The reversal of 212330131123213 is 312321131033212.

It is a cyclic number.

It is not a de Polignac number, because 212330131123213 - 2⁹ = 212330131122701 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 (212330131123219) 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, 235445320 + ... + 236345422.

It is an arithmetic number, because the mean of its divisors is an integer number (13455834716800).

Almost surely, 2^{212330131123213} is an apocalyptic number.

It is an amenable number.

212330131123213 is a deficient number, since it is larger than the sum of its proper divisors (2963224345587).

212330131123213 is a wasteful number, since it uses less digits than its factorization.

212330131123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911632.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 212330131123213 its reverse (312321131033212), we get a palindrome (524651262156425).

Subtracting 212330131123213 from its reverse (312321131033212), we obtain a palindrome (99990999909999).

The spelling of 212330131123213 in words is "two hundred twelve trillion, three hundred thirty billion, one hundred thirty-one million, one hundred twenty-three thousand, two hundred thirteen".