213213132203232 has 96 divisors (see below), whose sum is σ = 640365436295424. Its totient is φ = 60848891136000.

The previous prime is 213213132203231. The next prime is 213213132203317. The reversal of 213213132203232 is 232302231312312.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 213213132203232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213213132203231) 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, 179476894 + ... + 180660957.

It is an arithmetic number, because the mean of its divisors is an integer number (6670473294744).

Almost surely, 2^{213213132203232} is an apocalyptic number.

It is an amenable number.

213213132203232 is an abundant number, since it is smaller than the sum of its proper divisors (427152304092192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213213132203232 is a wasteful number, since it uses less digits than its factorization.

213213132203232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360138752 (or 360138744 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 213213132203232 its reverse (232302231312312), we get a palindrome (445515363515544).

The spelling of 213213132203232 in words is "two hundred thirteen trillion, two hundred thirteen billion, one hundred thirty-two million, two hundred three thousand, two hundred thirty-two".