112102120121212 has 24 divisors (see below), whose sum is σ = 211310427824496. Its totient is φ = 51729387583488.

The previous prime is 112102120121191. The next prime is 112102120121219. The reversal of 112102120121212 is 212121021201211.

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 112102120121212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102120121219) 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, 209156293 + ... + 209691580.

It is an arithmetic number, because the mean of its divisors is an integer number (8804601159354).

Almost surely, 2^{112102120121212} is an apocalyptic number.

It is an amenable number.

112102120121212 is a deficient number, since it is larger than the sum of its proper divisors (99208307703284).

112102120121212 is a wasteful number, since it uses less digits than its factorization.

112102120121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418853037 (or 418853035 counting only the distinct ones).

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

Adding to 112102120121212 its reverse (212121021201211), we get a palindrome (324223141322423).

The spelling of 112102120121212 in words is "one hundred twelve trillion, one hundred two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twelve".