12201103312 has 20 divisors (see below), whose sum is σ = 23641361856. Its totient is φ = 6100106720.

The previous prime is 12201103267. The next prime is 12201103339. The reversal of 12201103312 is 21330110221.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376887 + ... + 407977.

Almost surely, 2^12201103312 is an apocalyptic number.

It is an amenable number.

12201103312 is a deficient number, since it is larger than the sum of its proper divisors (11440258544).

12201103312 is a wasteful number, since it uses less digits than its factorization.

12201103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55626 (or 55620 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12201103312 its reverse (21330110221), we get a palindrome (33531213533).

The spelling of 12201103312 in words is "twelve billion, two hundred one million, one hundred three thousand, three hundred twelve".