12201112112012 has 24 divisors (see below), whose sum is σ = 21386490901776. Its totient is φ = 6090688885248.

The previous prime is 12201112111999. The next prime is 12201112112041. The reversal of 12201112112012 is 21021121110221.

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, 17628848 + ... + 18307880.

It is an arithmetic number, because the mean of its divisors is an integer number (891103787574).

Almost surely, 2^{12201112112012} is an apocalyptic number.

It is an amenable number.

12201112112012 is a deficient number, since it is larger than the sum of its proper divisors (9185378789764).

12201112112012 is a wasteful number, since it uses less digits than its factorization.

12201112112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686297 (or 686295 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12201112112012 its reverse (21021121110221), we get a palindrome (33222233222233).

The spelling of 12201112112012 in words is "twelve trillion, two hundred one billion, one hundred twelve million, one hundred twelve thousand, twelve".