2112125523 has 8 divisors (see below), whose sum is σ = 2816635536. Its totient is φ = 1407849600.

The previous prime is 2112125513. The next prime is 2112125539. The reversal of 2112125523 is 3255212112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112125523 - 2⁴ = 2112125507 is a prime.

It is a super-2 number, since 2×2112125523² = 8922148449816047058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112125493 and 2112125502.

It is not an unprimeable number, because it can be changed into a prime (2112125513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36258 + ... + 74423.

It is an arithmetic number, because the mean of its divisors is an integer number (352079442).

Almost surely, 2^2112125523 is an apocalyptic number.

2112125523 is a deficient number, since it is larger than the sum of its proper divisors (704510013).

2112125523 is a wasteful number, since it uses less digits than its factorization.

2112125523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117045.

The product of its digits is 1200, while the sum is 24.

The square root of 2112125523 is about 45957.8668238638. The cubic root of 2112125523 is about 1283.0391493819.

Adding to 2112125523 its reverse (3255212112), we get a palindrome (5367337635).

The spelling of 2112125523 in words is "two billion, one hundred twelve million, one hundred twenty-five thousand, five hundred twenty-three".