2112530004 has 48 divisors (see below), whose sum is σ = 5898235840. Its totient is φ = 650008800.

The previous prime is 2112529957. The next prime is 2112530023. The reversal of 2112530004 is 4000352112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750922 + ... + 753729.

Almost surely, 2^2112530004 is an apocalyptic number.

It is an amenable number.

2112530004 is an abundant number, since it is smaller than the sum of its proper divisors (3785705836).

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

2112530004 is a wasteful number, since it uses less digits than its factorization.

2112530004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504677 (or 1504669 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2112530004 is about 45962.2671764568. The cubic root of 2112530004 is about 1283.1210466347.

Adding to 2112530004 its reverse (4000352112), we get a palindrome (6112882116).

The spelling of 2112530004 in words is "two billion, one hundred twelve million, five hundred thirty thousand, four".