213232303121 has 16 divisors (see below), whose sum is σ = 225735863808. Its totient is φ = 201091766400.

The previous prime is 213232303117. The next prime is 213232303127. The reversal of 213232303121 is 121303232312.

It is a cyclic number.

It is not a de Polignac number, because 213232303121 - 2² = 213232303117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213232303127) 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 15 ways as a sum of consecutive naturals, for example, 1027295 + ... + 1217291.

It is an arithmetic number, because the mean of its divisors is an integer number (14108491488).

Almost surely, 2^213232303121 is an apocalyptic number.

It is an amenable number.

213232303121 is a deficient number, since it is larger than the sum of its proper divisors (12503560687).

213232303121 is a wasteful number, since it uses less digits than its factorization.

213232303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190952.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213232303121 its reverse (121303232312), we get a palindrome (334535535433).

The spelling of 213232303121 in words is "two hundred thirteen billion, two hundred thirty-two million, three hundred three thousand, one hundred twenty-one".