12001001221112 has 16 divisors (see below), whose sum is σ = 22926441012840. Its totient is φ = 5887283617696.

The previous prime is 12001001221109. The next prime is 12001001221133. The reversal of 12001001221112 is 21112210010021.

It is a super-2 number, since 2×12001001221112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14152123658 + ... + 14152124505.

Almost surely, 2^{12001001221112} is an apocalyptic number.

It is an amenable number.

12001001221112 is a deficient number, since it is larger than the sum of its proper divisors (10925439791728).

12001001221112 is a wasteful number, since it uses less digits than its factorization.

12001001221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28304248222 (or 28304248218 counting only the distinct ones).

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

Adding to 12001001221112 its reverse (21112210010021), we get a palindrome (33113211231133).

The spelling of 12001001221112 in words is "twelve trillion, one billion, one million, two hundred twenty-one thousand, one hundred twelve".