212112524 has 24 divisors (see below), whose sum is σ = 403718448. Its totient is φ = 96926400.

The previous prime is 212112521. The next prime is 212112541. The reversal of 212112524 is 425211212.

It is a junction number, because it is equal to n+sod(n) for n = 212112496 and 212112505.

It is not an unprimeable number, because it can be changed into a prime (212112521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14942 + ... + 25445.

It is an arithmetic number, because the mean of its divisors is an integer number (16821602).

Almost surely, 2^212112524 is an apocalyptic number.

It is an amenable number.

212112524 is a deficient number, since it is larger than the sum of its proper divisors (191605924).

212112524 is a wasteful number, since it uses less digits than its factorization.

212112524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40505 (or 40503 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 212112524 is about 14564.0833559823. The cubic root of 212112524 is about 596.3786724691.

Adding to 212112524 its reverse (425211212), we get a palindrome (637323736).

The spelling of 212112524 in words is "two hundred twelve million, one hundred twelve thousand, five hundred twenty-four".