12022211112 has 32 divisors (see below), whose sum is σ = 30058504800. Its totient is φ = 4007006784.

The previous prime is 12022211099. The next prime is 12022211119. The reversal of 12022211112 is 21111222021.

It is a junction number, because it is equal to n+sod(n) for n = 12022211091 and 12022211100.

It is not an unprimeable number, because it can be changed into a prime (12022211119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320814 + ... + 356322.

It is an arithmetic number, because the mean of its divisors is an integer number (939328275).

Almost surely, 2^12022211112 is an apocalyptic number.

12022211112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12022211112 is an abundant number, since it is smaller than the sum of its proper divisors (18036293688).

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

12022211112 is a wasteful number, since it uses less digits than its factorization.

12022211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49625 (or 49621 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12022211112 its reverse (21111222021), we get a palindrome (33133433133).

The spelling of 12022211112 in words is "twelve billion, twenty-two million, two hundred eleven thousand, one hundred twelve".