212003223133 has 4 divisors (see below), whose sum is σ = 228311163388. Its totient is φ = 195695282880.

The previous prime is 212003223083. The next prime is 212003223139. The reversal of 212003223133 is 331322300212.

212003223133 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.

It can be written as a sum of positive squares in 2 ways, for example, as 31448766244 + 180554456889 = 177338^2 + 424917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212003223133 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 (212003223139) 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, 8153970108 + ... + 8153970133.

It is an arithmetic number, because the mean of its divisors is an integer number (57077790847).

Almost surely, 2^212003223133 is an apocalyptic number.

It is an amenable number.

212003223133 is a deficient number, since it is larger than the sum of its proper divisors (16307940255).

212003223133 is a wasteful number, since it uses less digits than its factorization.

212003223133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16307940254.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 212003223133 its reverse (331322300212), we get a palindrome (543325523345).

The spelling of 212003223133 in words is "two hundred twelve billion, three million, two hundred twenty-three thousand, one hundred thirty-three".