213321111212232 has 96 divisors (see below), whose sum is σ = 579076908696000. Its totient is φ = 70943079070080.

The previous prime is 213321111212221. The next prime is 213321111212267. The reversal of 213321111212232 is 232212111123312.

213321111212232 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 211 + 1 + 1 + 212 + 232 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 213321111212196 and 213321111212205.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1516513119 + ... + 1516653777.

It is an arithmetic number, because the mean of its divisors is an integer number (6032051132250).

Almost surely, 2^{213321111212232} is an apocalyptic number.

It is an amenable number.

213321111212232 is an abundant number, since it is smaller than the sum of its proper divisors (365755797483768).

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

213321111212232 is a wasteful number, since it uses less digits than its factorization.

213321111212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189091 (or 189084 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 213321111212232 its reverse (232212111123312), we get a palindrome (445533222335544).

The spelling of 213321111212232 in words is "two hundred thirteen trillion, three hundred twenty-one billion, one hundred eleven million, two hundred twelve thousand, two hundred thirty-two".