12021122101112 has 16 divisors (see below), whose sum is σ = 22539797948400. Its totient is φ = 6010509314880.

The previous prime is 12021122101103. The next prime is 12021122101123. The reversal of 12021122101112 is 21110122112021.

It is a congruent number.

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, 5470412 + ... + 7346267.

It is an arithmetic number, because the mean of its divisors is an integer number (1408737371775).

Almost surely, 2^{12021122101112} is an apocalyptic number.

It is an amenable number.

12021122101112 is a deficient number, since it is larger than the sum of its proper divisors (10518675847288).

12021122101112 is a wasteful number, since it uses less digits than its factorization.

12021122101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12933926 (or 12933922 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12021122101112 its reverse (21110122112021), we get a palindrome (33131244213133).

The spelling of 12021122101112 in words is "twelve trillion, twenty-one billion, one hundred twenty-two million, one hundred one thousand, one hundred twelve".