111100120002012 has 48 divisors (see below), whose sum is σ = 272974910745600. Its totient is φ = 35071722604800.

The previous prime is 111100120001987. The next prime is 111100120002019. The reversal of 111100120002012 is 210200021001111.

It is a super-2 number, since 2×111100120002012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100120002019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86344812 + ... + 87622067.

It is an arithmetic number, because the mean of its divisors is an integer number (5686977307200).

Almost surely, 2^{111100120002012} is an apocalyptic number.

111100120002012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111100120002012 is an abundant number, since it is smaller than the sum of its proper divisors (161874790743588).

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

111100120002012 is a wasteful number, since it uses less digits than its factorization.

111100120002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173969706 (or 173969704 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111100120002012 its reverse (210200021001111), we get a palindrome (321300141003123).

Subtracting 111100120002012 from its reverse (210200021001111), we obtain a palindrome (99099900999099).

The spelling of 111100120002012 in words is "one hundred eleven trillion, one hundred billion, one hundred twenty million, two thousand, twelve".