212212310133 has 4 divisors (see below), whose sum is σ = 282949746848. Its totient is φ = 141474873420.

The previous prime is 212212310029. The next prime is 212212310147. The reversal of 212212310133 is 331013212212.

212212310133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 212212310133 - 2¹⁷ = 212212179061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212310833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35368718353 + ... + 35368718358.

It is an arithmetic number, because the mean of its divisors is an integer number (70737436712).

Almost surely, 2^212212310133 is an apocalyptic number.

It is an amenable number.

212212310133 is a deficient number, since it is larger than the sum of its proper divisors (70737436715).

212212310133 is an equidigital number, since it uses as much as digits as its factorization.

212212310133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70737436714.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212212310133 its reverse (331013212212), we get a palindrome (543225522345).

The spelling of 212212310133 in words is "two hundred twelve billion, two hundred twelve million, three hundred ten thousand, one hundred thirty-three".