2012222210112 has 84 divisors (see below), whose sum is σ = 5768246365440. Its totient is φ = 670673901312.

The previous prime is 2012222210107. The next prime is 2012222210113. The reversal of 2012222210112 is 2110122222102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2012222210113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5788689 + ... + 6126447.

Almost surely, 2^{2012222210112} is an apocalyptic number.

It is an amenable number.

2012222210112 is an abundant number, since it is smaller than the sum of its proper divisors (3756024155328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2012222210112 is a wasteful number, since it uses less digits than its factorization.

2012222210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348120 (or 348107 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2012222210112 its reverse (2110122222102), we get a palindrome (4122344432214).

The spelling of 2012222210112 in words is "two trillion, twelve billion, two hundred twenty-two million, two hundred ten thousand, one hundred twelve".