2112315125 has 32 divisors (see below), whose sum is σ = 2704665600. Its totient is φ = 1646284800.

The previous prime is 2112315103. The next prime is 2112315143. The reversal of 2112315125 is 5215132112.

It is not a de Polignac number, because 2112315125 - 2⁶ = 2112315061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112315125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1509176 + ... + 1510574.

It is an arithmetic number, because the mean of its divisors is an integer number (84520800).

Almost surely, 2^2112315125 is an apocalyptic number.

2112315125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2112315125 is a deficient number, since it is larger than the sum of its proper divisors (592350475).

2112315125 is a wasteful number, since it uses less digits than its factorization.

2112315125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718 (or 1708 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 2112315125 is about 45959.9295582576. The cubic root of 2112315125 is about 1283.0775403309.

Adding to 2112315125 its reverse (5215132112), we get a palindrome (7327447237).

The spelling of 2112315125 in words is "two billion, one hundred twelve million, three hundred fifteen thousand, one hundred twenty-five".