12002223112 has 16 divisors (see below), whose sum is σ = 24550002000. Its totient is φ = 5455555920.

The previous prime is 12002223073. The next prime is 12002223113. The reversal of 12002223112 is 21132220021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12002223113) 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, 68194362 + ... + 68194537.

It is an arithmetic number, because the mean of its divisors is an integer number (1534375125).

Almost surely, 2^12002223112 is an apocalyptic number.

It is an amenable number.

12002223112 is an abundant number, since it is smaller than the sum of its proper divisors (12547778888).

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

12002223112 is a wasteful number, since it uses less digits than its factorization.

12002223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136388916 (or 136388912 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12002223112 its reverse (21132220021), we get a palindrome (33134443133).

The spelling of 12002223112 in words is "twelve billion, two million, two hundred twenty-three thousand, one hundred twelve".