2112430456 has 8 divisors (see below), whose sum is σ = 3960807120. Its totient is φ = 1056215224.

The previous prime is 2112430433. The next prime is 2112430457. The reversal of 2112430456 is 6540342112.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112430457) 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 as a sum of consecutive naturals, namely, 132026896 + ... + 132026911.

It is an arithmetic number, because the mean of its divisors is an integer number (495100890).

Almost surely, 2^2112430456 is an apocalyptic number.

It is an amenable number.

2112430456 is a deficient number, since it is larger than the sum of its proper divisors (1848376664).

2112430456 is a wasteful number, since it uses less digits than its factorization.

2112430456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264053813 (or 264053809 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2112430456 is about 45961.1842319147. The cubic root of 2112430456 is about 1283.1008916325.

Adding to 2112430456 its reverse (6540342112), we get a palindrome (8652772568).

The spelling of 2112430456 in words is "two billion, one hundred twelve million, four hundred thirty thousand, four hundred fifty-six".