212021033133 has 16 divisors (see below), whose sum is σ = 347931952256. Its totient is φ = 111835270080.

The previous prime is 212021033099. The next prime is 212021033167. The reversal of 212021033133 is 331330120212.

212021033133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212021033099) and next prime (212021033167).

It is not a de Polignac number, because 212021033133 - 2⁹ = 212021032621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021033173) 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 15 ways as a sum of consecutive naturals, for example, 388316638 + ... + 388317183.

It is an arithmetic number, because the mean of its divisors is an integer number (21745747016).

Almost surely, 2^212021033133 is an apocalyptic number.

It is an amenable number.

212021033133 is a deficient number, since it is larger than the sum of its proper divisors (135910919123).

212021033133 is a wasteful number, since it uses less digits than its factorization.

212021033133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776633844.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 212021033133 its reverse (331330120212), we get a palindrome (543351153345).

The spelling of 212021033133 in words is "two hundred twelve billion, twenty-one million, thirty-three thousand, one hundred thirty-three".