12012201111112 has 16 divisors (see below), whose sum is σ = 22538314306800. Its totient is φ = 6001983962640.

The previous prime is 12012201111107. The next prime is 12012201111227. The reversal of 12012201111112 is 21111110221021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514561714 + ... + 514585057.

It is an arithmetic number, because the mean of its divisors is an integer number (1408644644175).

Almost surely, 2^{12012201111112} is an apocalyptic number.

It is an amenable number.

12012201111112 is a deficient number, since it is larger than the sum of its proper divisors (10526113195688).

12012201111112 is a wasteful number, since it uses less digits than its factorization.

12012201111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029148236 (or 1029148232 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 12012201111112 its reverse (21111110221021), we get a palindrome (33123311332133).

The spelling of 12012201111112 in words is "twelve trillion, twelve billion, two hundred one million, one hundred eleven thousand, one hundred twelve".