112012221011212 has 24 divisors (see below), whose sum is σ = 197119303058160. Its totient is φ = 55692429105600.

The previous prime is 112012221011203. The next prime is 112012221011219. The reversal of 112012221011212 is 212110122210211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 112012221011212.

It is not an unprimeable number, because it can be changed into a prime (112012221011219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50539438 + ... + 52709194.

It is an arithmetic number, because the mean of its divisors is an integer number (8213304294090).

Almost surely, 2^{112012221011212} is an apocalyptic number.

It is an amenable number.

112012221011212 is a deficient number, since it is larger than the sum of its proper divisors (85107082046948).

112012221011212 is a wasteful number, since it uses less digits than its factorization.

112012221011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242041 (or 2242039 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112012221011212 its reverse (212110122210211), we get a palindrome (324122343221423).

The spelling of 112012221011212 in words is "one hundred twelve trillion, twelve billion, two hundred twenty-one million, eleven thousand, two hundred twelve".