12000223312 has 40 divisors (see below), whose sum is σ = 28987555392. Its totient is φ = 4675411200.

The previous prime is 12000223309. The next prime is 12000223331. The reversal of 12000223312 is 21332200021.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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, 4868989 + ... + 4871452.

Almost surely, 2^12000223312 is an apocalyptic number.

It is an amenable number.

12000223312 is an abundant number, since it is smaller than the sum of its proper divisors (16987332080).

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

12000223312 is a wasteful number, since it uses less digits than its factorization.

12000223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9740467 (or 9740461 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12000223312 its reverse (21332200021), we get a palindrome (33332423333).

The spelling of 12000223312 in words is "twelve billion, two hundred twenty-three thousand, three hundred twelve".