12002320312 has 32 divisors (see below), whose sum is σ = 22730893200. Its totient is φ = 5940877824.

The previous prime is 12002320307. The next prime is 12002320357. The reversal of 12002320312 is 21302320021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785239 + ... + 800377.

Almost surely, 2^12002320312 is an apocalyptic number.

It is an amenable number.

12002320312 is a deficient number, since it is larger than the sum of its proper divisors (10728572888).

12002320312 is a wasteful number, since it uses less digits than its factorization.

12002320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16135 (or 16131 counting only the distinct ones).

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

Adding to 12002320312 its reverse (21302320021), we get a palindrome (33304640333).

The spelling of 12002320312 in words is "twelve billion, two million, three hundred twenty thousand, three hundred twelve".