111223233012 has 24 divisors (see below), whose sum is σ = 260304937312. Its totient is φ = 36962402400.

The previous prime is 111223232929. The next prime is 111223233019. The reversal of 111223233012 is 210332322111.

It is a self number, because there is not a number n which added to its sum of digits gives 111223233012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111223233019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13996939 + ... + 14004882.

Almost surely, 2^111223233012 is an apocalyptic number.

111223233012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111223233012 is an abundant number, since it is smaller than the sum of its proper divisors (149081704300).

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

111223233012 is a wasteful number, since it uses less digits than its factorization.

111223233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28002159 (or 28002157 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111223233012 its reverse (210332322111), we get a palindrome (321555555123).

The spelling of 111223233012 in words is "one hundred eleven billion, two hundred twenty-three million, two hundred thirty-three thousand, twelve".