111030012 has 36 divisors (see below), whose sum is σ = 281176896. Its totient is φ = 36941760.

The previous prime is 111030001. The next prime is 111030047. The reversal of 111030012 is 210030111.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 111029976 and 111030003.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 19312 + ... + 24392.

Almost surely, 2^111030012 is an apocalyptic number.

111030012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111030012 is an abundant number, since it is smaller than the sum of its proper divisors (170146884).

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

111030012 is a wasteful number, since it uses less digits than its factorization.

111030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5698 (or 5693 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 111030012 is about 10537.0779630788. The cubic root of 111030012 is about 480.6328631421.

Adding to 111030012 its reverse (210030111), we get a palindrome (321060123).

Subtracting 111030012 from its reverse (210030111), we obtain a palindrome (99000099).

The spelling of 111030012 in words is "one hundred eleven million, thirty thousand, twelve".