12022022112 has 48 divisors (see below), whose sum is σ = 31632873552. Its totient is φ = 3997808640.

The previous prime is 12022022081. The next prime is 12022022119. The reversal of 12022022112 is 21122022021.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×12022022112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12022022091 and 12022022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022022119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108313 + ... + 189144.

It is an arithmetic number, because the mean of its divisors is an integer number (659018199).

Almost surely, 2^12022022112 is an apocalyptic number.

12022022112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12022022112 is an abundant number, since it is smaller than the sum of its proper divisors (19610851440).

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

12022022112 is a wasteful number, since it uses less digits than its factorization.

12022022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297891 (or 297883 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12022022112 its reverse (21122022021), we get a palindrome (33144044133).

Subtracting 12022022112 from its reverse (21122022021), we obtain a palindrome (9099999909).

The spelling of 12022022112 in words is "twelve billion, twenty-two million, twenty-two thousand, one hundred twelve".