12111200011112 has 8 divisors (see below), whose sum is σ = 22708500020850. Its totient is φ = 6055600005552.

The previous prime is 12111200011103. The next prime is 12111200011129. The reversal of 12111200011112 is 21111000211121.

It can be written as a sum of positive squares in only one way, i.e., 11000591757796 + 1110608253316 = 3316714^2 + 1053854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756950000687 + ... + 756950000702.

Almost surely, 2^{12111200011112} is an apocalyptic number.

It is an amenable number.

12111200011112 is a deficient number, since it is larger than the sum of its proper divisors (10597300009738).

12111200011112 is a wasteful number, since it uses less digits than its factorization.

12111200011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513900001395 (or 1513900001391 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12111200011112 its reverse (21111000211121), we get a palindrome (33222200222233).

The spelling of 12111200011112 in words is "twelve trillion, one hundred eleven billion, two hundred million, eleven thousand, one hundred twelve".