12012221001112 has 32 divisors (see below), whose sum is σ = 22598094027600. Its totient is φ = 5986095986304.

The previous prime is 12012221001083. The next prime is 12012221001119. The reversal of 12012221001112 is 21110012221021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012221001119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792214 + ... + 4965082.

Almost surely, 2^{12012221001112} is an apocalyptic number.

It is an amenable number.

12012221001112 is a deficient number, since it is larger than the sum of its proper divisors (10585873026488).

12012221001112 is a wasteful number, since it uses less digits than its factorization.

12012221001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174075 (or 4174071 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012221001112 its reverse (21110012221021), we get a palindrome (33122233222133).

The spelling of 12012221001112 in words is "twelve trillion, twelve billion, two hundred twenty-one million, one thousand, one hundred twelve".