2012112122 has 16 divisors (see below), whose sum is σ = 3178556640. Its totient is φ = 952644528.

The previous prime is 2012112119. The next prime is 2012112127. The reversal of 2012112122 is 2212112102.

It is a junction number, because it is equal to n+sod(n) for n = 2012112097 and 2012112106.

It is not an unprimeable number, because it can be changed into a prime (2012112127) 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, 74468 + ... + 97824.

It is an arithmetic number, because the mean of its divisors is an integer number (198659790).

Almost surely, 2^2012112122 is an apocalyptic number.

2012112122 is a deficient number, since it is larger than the sum of its proper divisors (1166444518).

2012112122 is a wasteful number, since it uses less digits than its factorization.

2012112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25645.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2012112122 is about 44856.5727848216. The cubic root of 2012112122 is about 1262.4593190434.

Adding to 2012112122 its reverse (2212112102), we get a palindrome (4224224224).

The spelling of 2012112122 in words is "two billion, twelve million, one hundred twelve thousand, one hundred twenty-two".