112021111221212 has 24 divisors (see below), whose sum is σ = 196129841203296. Its totient is φ = 55984017881088.

The previous prime is 112021111221191. The next prime is 112021111221223. The reversal of 112021111221212 is 212122111120211.

It is a happy number.

112021111221212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108916148 + ... + 109939844.

It is an arithmetic number, because the mean of its divisors is an integer number (8172076716804).

Almost surely, 2^{112021111221212} is an apocalyptic number.

It is an amenable number.

112021111221212 is a deficient number, since it is larger than the sum of its proper divisors (84108729982084).

112021111221212 is a wasteful number, since it uses less digits than its factorization.

112021111221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036637 (or 1036635 counting only the distinct ones).

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

Adding to 112021111221212 its reverse (212122111120211), we get a palindrome (324143222341423).

The spelling of 112021111221212 in words is "one hundred twelve trillion, twenty-one billion, one hundred eleven million, two hundred twenty-one thousand, two hundred twelve".