2112403130 has 16 divisors (see below), whose sum is σ = 3804143400. Its totient is φ = 844557312.

The previous prime is 2112403127. The next prime is 2112403133. The reversal of 2112403130 is 313042112.

It is an interprime number because it is at equal distance from previous prime (2112403127) and next prime (2112403133).

It can be written as a sum of positive squares in 4 ways, for example, as 965158489 + 1147244641 = 31067^2 + 33871^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2112403099 and 2112403108.

It is not an unprimeable number, because it can be changed into a prime (2112403133) 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, 28055 + ... + 70794.

Almost surely, 2^2112403130 is an apocalyptic number.

2112403130 is a deficient number, since it is larger than the sum of its proper divisors (1691740270).

2112403130 is a wasteful number, since it uses less digits than its factorization.

2112403130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100993.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2112403130 is about 45960.8869583693. The cubic root of 2112403130 is about 1283.0953589587.

Adding to 2112403130 its reverse (313042112), we get a palindrome (2425445242).

The spelling of 2112403130 in words is "two billion, one hundred twelve million, four hundred three thousand, one hundred thirty".