122222012100112 has 20 divisors (see below), whose sum is σ = 250734863058876. Its totient is φ = 57516240988160.

The previous prime is 122222012100109. The next prime is 122222012100187. The reversal of 122222012100112 is 211001210222221.

It can be written as a sum of positive squares in 2 ways, for example, as 109033609751056 + 13188402349056 = 10441916^2 + 3631584^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122222012100112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224672816089 + ... + 224672816632.

Almost surely, 2^{122222012100112} is an apocalyptic number.

It is an amenable number.

122222012100112 is an abundant number, since it is smaller than the sum of its proper divisors (128512850958764).

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

122222012100112 is a wasteful number, since it uses less digits than its factorization.

122222012100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449345632746 (or 449345632740 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122222012100112 its reverse (211001210222221), we get a palindrome (333223222322333).

The spelling of 122222012100112 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, twelve million, one hundred thousand, one hundred twelve".