12201111112012 has 12 divisors (see below), whose sum is σ = 21487944093280. Its totient is φ = 6061698513936.

The previous prime is 12201111111979. The next prime is 12201111112013. The reversal of 12201111112012 is 21021111110221.

It is a super-2 number, since 2×12201111112012² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12201111112013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9714259812 + ... + 9714261067.

Almost surely, 2^{12201111112012} is an apocalyptic number.

It is an amenable number.

12201111112012 is a deficient number, since it is larger than the sum of its proper divisors (9286832981268).

12201111112012 is a wasteful number, since it uses less digits than its factorization.

12201111112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19428521040 (or 19428521038 counting only the distinct ones).

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

Adding to 12201111112012 its reverse (21021111110221), we get a palindrome (33222222222233).

The spelling of 12201111112012 in words is "twelve trillion, two hundred one billion, one hundred eleven million, one hundred twelve thousand, twelve".