12212110112 has 24 divisors (see below), whose sum is σ = 24045460992. Its totient is φ = 6105326400.

The previous prime is 12212110111. The next prime is 12212110117. The reversal of 12212110112 is 21101121221.

It is a super-2 number, since 2×12212110112² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12212110111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337037 + ... + 371507.

It is an arithmetic number, because the mean of its divisors is an integer number (1001894208).

Almost surely, 2^12212110112 is an apocalyptic number.

It is an amenable number.

12212110112 is a deficient number, since it is larger than the sum of its proper divisors (11833350880).

12212110112 is a wasteful number, since it uses less digits than its factorization.

12212110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45552 (or 45544 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12212110112 its reverse (21101121221), we get a palindrome (33313231333).

It can be divided in two parts, 1221 and 2110112, that multiplied together give a palindrome (2576446752).

The spelling of 12212110112 in words is "twelve billion, two hundred twelve million, one hundred ten thousand, one hundred twelve".