2112345104 has 20 divisors (see below), whose sum is σ = 4169890476. Its totient is φ = 1036244352.

The previous prime is 2112345097. The next prime is 2112345107. The reversal of 2112345104 is 4015432112.

It can be written as a sum of positive squares in 2 ways, for example, as 1166905600 + 945439504 = 34160^2 + 30748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2112345104.

It is not an unprimeable number, because it can be changed into a prime (2112345107) 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 in 3 ways as a sum of consecutive naturals, for example, 1244639 + ... + 1246334.

Almost surely, 2^2112345104 is an apocalyptic number.

It is an amenable number.

2112345104 is a deficient number, since it is larger than the sum of its proper divisors (2057545372).

2112345104 is a wasteful number, since it uses less digits than its factorization.

2112345104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491034 (or 2491028 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2112345104 is about 45960.2556998979. The cubic root of 2112345104 is about 1283.0836103217.

Adding to 2112345104 its reverse (4015432112), we get a palindrome (6127777216).

The spelling of 2112345104 in words is "two billion, one hundred twelve million, three hundred forty-five thousand, one hundred four".