2012221200112 has 20 divisors (see below), whose sum is σ = 3898732871376. Its totient is φ = 1006096588160.

The previous prime is 2012221200103. The next prime is 2012221200113. The reversal of 2012221200112 is 2110021222102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012221200113) 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, 362037 + ... + 2038507.

Almost surely, 2^{2012221200112} is an apocalyptic number.

It is an amenable number.

2012221200112 is a deficient number, since it is larger than the sum of its proper divisors (1886511671264).

2012221200112 is a wasteful number, since it uses less digits than its factorization.

2012221200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751496 (or 1751490 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2012221200112 its reverse (2110021222102), we get a palindrome (4122242422214).

The spelling of 2012221200112 in words is "two trillion, twelve billion, two hundred twenty-one million, two hundred thousand, one hundred twelve".