12102203312 has 40 divisors (see below), whose sum is σ = 24104028672. Its totient is φ = 5882112000.

The previous prime is 12102203303. The next prime is 12102203339. The reversal of 12102203312 is 21330220121.

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, 672512 + ... + 690272.

Almost surely, 2^12102203312 is an apocalyptic number.

It is an amenable number.

12102203312 is a deficient number, since it is larger than the sum of its proper divisors (12001825360).

12102203312 is a wasteful number, since it uses less digits than its factorization.

12102203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18957 (or 18951 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12102203312 its reverse (21330220121), we get a palindrome (33432423433).

The spelling of 12102203312 in words is "twelve billion, one hundred two million, two hundred three thousand, three hundred twelve".