12030203312 has 10 divisors (see below), whose sum is σ = 23308518948. Its totient is φ = 6015101648.

The previous prime is 12030203299. The next prime is 12030203351. The reversal of 12030203312 is 21330203021.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375943838 + ... + 375943869.

Almost surely, 2^12030203312 is an apocalyptic number.

It is an amenable number.

12030203312 is a deficient number, since it is larger than the sum of its proper divisors (11278315636).

12030203312 is an equidigital number, since it uses as much as digits as its factorization.

12030203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751887715 (or 751887709 counting only the distinct ones).

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

Adding to 12030203312 its reverse (21330203021), we get a palindrome (33360406333).

The spelling of 12030203312 in words is "twelve billion, thirty million, two hundred three thousand, three hundred twelve".