212004133 has 16 divisors (see below), whose sum is σ = 249126912. Its totient is φ = 178398000.

The previous prime is 212004101. The next prime is 212004139. The reversal of 212004133 is 331400212.

It is a happy number.

212004133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212004133 - 2⁵ = 212004101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212004139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5673 + ... + 21358.

It is an arithmetic number, because the mean of its divisors is an integer number (15570432).

Almost surely, 2^212004133 is an apocalyptic number.

212004133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212004133 is a deficient number, since it is larger than the sum of its proper divisors (37122779).

212004133 is a wasteful number, since it uses less digits than its factorization.

212004133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27096.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 212004133 is about 14560.3617056720. The cubic root of 212004133 is about 596.2770705874.

Adding to 212004133 its reverse (331400212), we get a palindrome (543404345).

The spelling of 212004133 in words is "two hundred twelve million, four thousand, one hundred thirty-three".