111012111120012 has 48 divisors (see below), whose sum is σ = 259094954496000. Its totient is φ = 36994509947520.

The previous prime is 111012111119999. The next prime is 111012111120023. The reversal of 111012111120012 is 210021111210111.

It is a junction number, because it is equal to n+sod(n) for n = 111012111119973 and 111012111120000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1708661064 + ... + 1708726032.

It is an arithmetic number, because the mean of its divisors is an integer number (5397811552000).

Almost surely, 2^{111012111120012} is an apocalyptic number.

111012111120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111012111120012 is an abundant number, since it is smaller than the sum of its proper divisors (148082843375988).

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

111012111120012 is a wasteful number, since it uses less digits than its factorization.

111012111120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99446 (or 99444 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111012111120012 its reverse (210021111210111), we get a palindrome (321033222330123).

Subtracting 111012111120012 from its reverse (210021111210111), we obtain a palindrome (99009000090099).

The spelling of 111012111120012 in words is "one hundred eleven trillion, twelve billion, one hundred eleven million, one hundred twenty thousand, twelve".