233223312012 has 12 divisors (see below), whose sum is σ = 544187728056. Its totient is φ = 77741104000.

The previous prime is 233223311989. The next prime is 233223312041. The reversal of 233223312012 is 210213322332.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×233223312012² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 9717637989 + ... + 9717638012.

It is an arithmetic number, because the mean of its divisors is an integer number (45348977338).

Almost surely, 2^233223312012 is an apocalyptic number.

It is an amenable number.

233223312012 is an abundant number, since it is smaller than the sum of its proper divisors (310964416044).

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

233223312012 is a wasteful number, since it uses less digits than its factorization.

233223312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19435276008 (or 19435276006 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 233223312012 its reverse (210213322332), we get a palindrome (443436634344).

The spelling of 233223312012 in words is "two hundred thirty-three billion, two hundred twenty-three million, three hundred twelve thousand, twelve".