2212112200122 has 80 divisors (see below), whose sum is σ = 5725466949312. Its totient is φ = 630905431680.

The previous prime is 2212112200121. The next prime is 2212112200127. The reversal of 2212112200122 is 2210022112122.

It is a happy number.

2212112200122 is a `hidden beast` number, since 221 + 211 + 220 + 0 + 12 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2212112200095 and 2212112200104.

It is not an unprimeable number, because it can be changed into a prime (2212112200121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36480438 + ... + 36541025.

Almost surely, 2^{2212112200122} is an apocalyptic number.

2212112200122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212112200122 is an abundant number, since it is smaller than the sum of its proper divisors (3513354749190).

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

2212112200122 is a wasteful number, since it uses less digits than its factorization.

2212112200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73021505 (or 73021496 counting only the distinct ones).

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

Adding to 2212112200122 its reverse (2210022112122), we get a palindrome (4422134312244).

The spelling of 2212112200122 in words is "two trillion, two hundred twelve billion, one hundred twelve million, two hundred thousand, one hundred twenty-two".