12003032312 has 32 divisors (see below), whose sum is σ = 22853626320. Its totient is φ = 5908826880.

The previous prime is 12003032309. The next prime is 12003032329. The reversal of 12003032312 is 21323030021.

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, 1269362 + ... + 1278782.

Almost surely, 2^12003032312 is an apocalyptic number.

It is an amenable number.

12003032312 is a deficient number, since it is larger than the sum of its proper divisors (10850594008).

12003032312 is a wasteful number, since it uses less digits than its factorization.

12003032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11871 (or 11867 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12003032312 its reverse (21323030021), we get a palindrome (33326062333).

The spelling of 12003032312 in words is "twelve billion, three million, thirty-two thousand, three hundred twelve".