213021200133 has 64 divisors (see below), whose sum is σ = 365834304000. Its totient is φ = 119995126272.

The previous prime is 213021200129. The next prime is 213021200149. The reversal of 213021200133 is 331002120312.

It is not a de Polignac number, because 213021200133 - 2² = 213021200129 is a prime.

It is a super-2 number, since 2×213021200133² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213021200113) 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 63 ways as a sum of consecutive naturals, for example, 4032153 + ... + 4084641.

It is an arithmetic number, because the mean of its divisors is an integer number (5716161000).

Almost surely, 2^213021200133 is an apocalyptic number.

It is an amenable number.

213021200133 is a deficient number, since it is larger than the sum of its proper divisors (152813103867).

213021200133 is a wasteful number, since it uses less digits than its factorization.

213021200133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52811 (or 52805 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213021200133 its reverse (331002120312), we get a palindrome (544023320445).

The spelling of 213021200133 in words is "two hundred thirteen billion, twenty-one million, two hundred thousand, one hundred thirty-three".