233223111212 has 192 divisors, whose sum is σ = 526543632384. Its totient is φ = 87944693760.

The previous prime is 233223111161. The next prime is 233223111223. The reversal of 233223111212 is 212111322332.

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 63 ways as a sum of consecutive naturals, for example, 130802873 + ... + 130804655.

It is an arithmetic number, because the mean of its divisors is an integer number (2742414752).

Almost surely, 2^233223111212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233223111212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263271816192).

233223111212 is an abundant number, since it is smaller than the sum of its proper divisors (293320521172).

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

233223111212 is a wasteful number, since it uses less digits than its factorization.

233223111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048 (or 2046 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 233223111212 its reverse (212111322332), we get a palindrome (445334433544).

The spelling of 233223111212 in words is "two hundred thirty-three billion, two hundred twenty-three million, one hundred eleven thousand, two hundred twelve".