2112130525 has 24 divisors (see below), whose sum is σ = 2640688128. Its totient is φ = 1675800000.

The previous prime is 2112130519. The next prime is 2112130547. The reversal of 2112130525 is 5250312112.

2112130525 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2112130525 is a prime.

It is a super-2 number, since 2×2112130525² = 8922190709273551250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112130496 and 2112130505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3012675 + ... + 3013375.

It is an arithmetic number, because the mean of its divisors is an integer number (110028672).

Almost surely, 2^2112130525 is an apocalyptic number.

2112130525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2112130525 is a deficient number, since it is larger than the sum of its proper divisors (528557603).

2112130525 is a wasteful number, since it uses less digits than its factorization.

2112130525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2112130525 is about 45957.9212432416. The cubic root of 2112130525 is about 1283.0401622252.

Adding to 2112130525 its reverse (5250312112), we get a palindrome (7362442637).

The spelling of 2112130525 in words is "two billion, one hundred twelve million, one hundred thirty thousand, five hundred twenty-five".