2122112212012 has 24 divisors (see below), whose sum is σ = 3999446709776. Its totient is φ = 979416474048.

The previous prime is 2122112211979. The next prime is 2122112212019. The reversal of 2122112212012 is 2102122112212.

It is not an unprimeable number, because it can be changed into a prime (2122112212019) 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, 2338543 + ... + 3116569.

Almost surely, 2^{2122112212012} is an apocalyptic number.

It is an amenable number.

2122112212012 is a deficient number, since it is larger than the sum of its proper divisors (1877334497764).

2122112212012 is a wasteful number, since it uses less digits than its factorization.

2122112212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830497 (or 830495 counting only the distinct ones).

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

Adding to 2122112212012 its reverse (2102122112212), we get a palindrome (4224234324224).

The spelling of 2122112212012 in words is "two trillion, one hundred twenty-two billion, one hundred twelve million, two hundred twelve thousand, twelve".