112012221111212 has 12 divisors (see below), whose sum is σ = 196021550107656. Its totient is φ = 56006063937600.

The previous prime is 112012221111211. The next prime is 112012221111227. The reversal of 112012221111212 is 212111122210211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (112012221111211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5936573 + ... + 16101780.

It is an arithmetic number, because the mean of its divisors is an integer number (16335129175638).

Almost surely, 2^{112012221111212} is an apocalyptic number.

It is an amenable number.

112012221111212 is a deficient number, since it is larger than the sum of its proper divisors (84009328996444).

112012221111212 is a wasteful number, since it uses less digits than its factorization.

112012221111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23309008 (or 23309006 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112012221111212 its reverse (212111122210211), we get a palindrome (324123343321423).

The spelling of 112012221111212 in words is "one hundred twelve trillion, twelve billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twelve".