2112420404 has 12 divisors (see below), whose sum is σ = 3697057728. Its totient is φ = 1056118200.

The previous prime is 2112420403. The next prime is 2112420413. The reversal of 2112420404 is 4040242112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112420403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76139 + ... + 100109.

It is an arithmetic number, because the mean of its divisors is an integer number (308088144).

Almost surely, 2^2112420404 is an apocalyptic number.

It is an amenable number.

2112420404 is a deficient number, since it is larger than the sum of its proper divisors (1584637324).

2112420404 is a wasteful number, since it uses less digits than its factorization.

2112420404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46006 (or 46004 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2112420404 is about 45961.0748786405. The cubic root of 2112420404 is about 1283.0988564175.

Adding to 2112420404 its reverse (4040242112), we get a palindrome (6152662516).

The spelling of 2112420404 in words is "two billion, one hundred twelve million, four hundred twenty thousand, four hundred four".