12234012112 has 80 divisors (see below), whose sum is σ = 28719526912. Its totient is φ = 4936826880.

The previous prime is 12234012103. The next prime is 12234012113. The reversal of 12234012112 is 21121043221.

It is a self number, because there is not a number n which added to its sum of digits gives 12234012112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12234012113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80848 + ... + 176080.

Almost surely, 2^12234012112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12234012112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14359763456).

12234012112 is an abundant number, since it is smaller than the sum of its proper divisors (16485514800).

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

12234012112 is a wasteful number, since it uses less digits than its factorization.

12234012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95316 (or 95310 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12234012112 its reverse (21121043221), we get a palindrome (33355055333).

The spelling of 12234012112 in words is "twelve billion, two hundred thirty-four million, twelve thousand, one hundred twelve".