212333121133 has 16 divisors (see below), whose sum is σ = 251731791360. Its totient is φ = 175313174400.

The previous prime is 212333121103. The next prime is 212333121157. The reversal of 212333121133 is 331121333212.

It is not a de Polignac number, because 212333121133 - 2¹³ = 212333112941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212333121098 and 212333121107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212333121103) 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, 4659838 + ... + 4705183.

It is an arithmetic number, because the mean of its divisors is an integer number (15733236960).

Almost surely, 2^212333121133 is an apocalyptic number.

It is an amenable number.

212333121133 is a deficient number, since it is larger than the sum of its proper divisors (39398670227).

212333121133 is an equidigital number, since it uses as much as digits as its factorization.

212333121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9365148.

The product of its digits is 1944, while the sum is 25.

Adding to 212333121133 its reverse (331121333212), we get a palindrome (543454454345).

The spelling of 212333121133 in words is "two hundred twelve billion, three hundred thirty-three million, one hundred twenty-one thousand, one hundred thirty-three".