111001000012 has 48 divisors (see below), whose sum is σ = 225638479360. Its totient is φ = 46796061312.

The previous prime is 111001000007. The next prime is 111001000027. The reversal of 111001000012 is 210000100111.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 111000999959 and 111001000004.

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 15 ways as a sum of consecutive naturals, for example, 703033 + ... + 846319.

Almost surely, 2^111001000012 is an apocalyptic number.

It is an amenable number.

111001000012 is an abundant number, since it is smaller than the sum of its proper divisors (114637479348).

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

111001000012 is a wasteful number, since it uses less digits than its factorization.

111001000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143750 (or 143748 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 111001000012 its reverse (210000100111), we get a palindrome (321001100123).

The spelling of 111001000012 in words is "one hundred eleven billion, one million, twelve", and thus it is an aban number.