2112443454212 has 24 divisors (see below), whose sum is σ = 4549878209856. Its totient is φ = 835691915808.

The previous prime is 2112443454097. The next prime is 2112443454229. The reversal of 2112443454212 is 2124543442112.

It is a super-2 number, since 2×2112443454212² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2901707678 + ... + 2901708405.

It is an arithmetic number, because the mean of its divisors is an integer number (189578258744).

Almost surely, 2^{2112443454212} is an apocalyptic number.

It is an amenable number.

2112443454212 is an abundant number, since it is smaller than the sum of its proper divisors (2437434755644).

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

2112443454212 is a wasteful number, since it uses less digits than its factorization.

2112443454212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5803416107 (or 5803416105 counting only the distinct ones).

The product of its digits is 61440, while the sum is 35.

Adding to 2112443454212 its reverse (2124543442112), we get a palindrome (4236986896324).

The spelling of 2112443454212 in words is "two trillion, one hundred twelve billion, four hundred forty-three million, four hundred fifty-four thousand, two hundred twelve".