12022112021112 has 96 divisors (see below), whose sum is σ = 32618898748800. Its totient is φ = 4000112500032.

The previous prime is 12022112021089. The next prime is 12022112021131. The reversal of 12022112021112 is 21112021122021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122802439 + ... + 122900297.

It is an arithmetic number, because the mean of its divisors is an integer number (339780195300).

Almost surely, 2^{12022112021112} is an apocalyptic number.

12022112021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12022112021112 is an abundant number, since it is smaller than the sum of its proper divisors (20596786727688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12022112021112 is a wasteful number, since it uses less digits than its factorization.

12022112021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100945 (or 100938 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12022112021112 its reverse (21112021122021), we get a palindrome (33134133143133).

The spelling of 12022112021112 in words is "twelve trillion, twenty-two billion, one hundred twelve million, twenty-one thousand, one hundred twelve".