12201000111212 has 24 divisors (see below), whose sum is σ = 23293127508672. Its totient is φ = 5545835542800.

The previous prime is 12201000111203. The next prime is 12201000111241. The reversal of 12201000111212 is 21211100010221.

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, 1584887 + ... + 5187857.

It is an arithmetic number, because the mean of its divisors is an integer number (970546979528).

Almost surely, 2^{12201000111212} is an apocalyptic number.

It is an amenable number.

12201000111212 is a deficient number, since it is larger than the sum of its proper divisors (11092127397460).

12201000111212 is a wasteful number, since it uses less digits than its factorization.

12201000111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679949 (or 3679947 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12201000111212 its reverse (21211100010221), we get a palindrome (33412100121433).

The spelling of 12201000111212 in words is "twelve trillion, two hundred one billion, one hundred eleven thousand, two hundred twelve".