212323331133 has 40 divisors (see below), whose sum is σ = 336979419480. Its totient is φ = 132974110080.

The previous prime is 212323331069. The next prime is 212323331161. The reversal of 212323331133 is 331133323212.

212323331133 is a `hidden beast` number, since 2 + 1 + 2 + 323 + 331 + 1 + 3 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 43909945209 + 168413385924 = 209547^2 + 410382^2 .

It is not a de Polignac number, because 212323331133 - 2⁶ = 212323331069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212323331097 and 212323331106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212323338133) 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 39 ways as a sum of consecutive naturals, for example, 1134558 + ... + 1308383.

It is an arithmetic number, because the mean of its divisors is an integer number (8424485487).

Almost surely, 2^212323331133 is an apocalyptic number.

It is an amenable number.

212323331133 is a deficient number, since it is larger than the sum of its proper divisors (124656088347).

212323331133 is a wasteful number, since it uses less digits than its factorization.

212323331133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443019 (or 2443010 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 212323331133 its reverse (331133323212), we get a palindrome (543456654345).

The spelling of 212323331133 in words is "two hundred twelve billion, three hundred twenty-three million, three hundred thirty-one thousand, one hundred thirty-three".