12022021112 has 32 divisors (see below), whose sum is σ = 22792287600. Its totient is φ = 5944224000.

The previous prime is 12022021097. The next prime is 12022021127. The reversal of 12022021112 is 21112022021.

It is an interprime number because it is at equal distance from previous prime (12022021097) and next prime (12022021127).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685412 + ... + 702732.

Almost surely, 2^12022021112 is an apocalyptic number.

It is an amenable number.

12022021112 is a deficient number, since it is larger than the sum of its proper divisors (10770266488).

12022021112 is a wasteful number, since it uses less digits than its factorization.

12022021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18287 (or 18283 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12022021112 its reverse (21112022021), we get a palindrome (33134043133).

Subtracting 12022021112 from its reverse (21112022021), we obtain a palindrome (9090000909).

The spelling of 12022021112 in words is "twelve billion, twenty-two million, twenty-one thousand, one hundred twelve".