212133112113 has 16 divisors (see below), whose sum is σ = 304624052096. Its totient is φ = 130533742080.

The previous prime is 212133112111. The next prime is 212133112133. The reversal of 212133112113 is 311211331212.

It is not a de Polignac number, because 212133112113 - 2¹ = 212133112111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212133112113.

It is not an unprimeable number, because it can be changed into a prime (212133112111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347556 + ... + 738282.

It is an arithmetic number, because the mean of its divisors is an integer number (19039003256).

Almost surely, 2^212133112113 is an apocalyptic number.

It is an amenable number.

212133112113 is a deficient number, since it is larger than the sum of its proper divisors (92490939983).

212133112113 is a wasteful number, since it uses less digits than its factorization.

212133112113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404664.

The product of its digits is 216, while the sum is 21.

Adding to 212133112113 its reverse (311211331212), we get a palindrome (523344443325).

The spelling of 212133112113 in words is "two hundred twelve billion, one hundred thirty-three million, one hundred twelve thousand, one hundred thirteen".