2112424520 has 32 divisors (see below), whose sum is σ = 4769203320. Its totient is φ = 842081280.

The previous prime is 2112424513. The next prime is 2112424547. The reversal of 2112424520 is 254242112.

It can be written as a sum of positive squares in 4 ways, for example, as 1604643364 + 507781156 = 40058^2 + 22534^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78401 + ... + 101840.

Almost surely, 2^2112424520 is an apocalyptic number.

2112424520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112424520 is an abundant number, since it is smaller than the sum of its proper divisors (2656778800).

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

2112424520 is a wasteful number, since it uses less digits than its factorization.

2112424520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180545 (or 180541 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2112424520 is about 45961.1196556394. The cubic root of 2112424520 is about 1283.0996897793.

Adding to 2112424520 its reverse (254242112), we get a palindrome (2366666632).

The spelling of 2112424520 in words is "two billion, one hundred twelve million, four hundred twenty-four thousand, five hundred twenty".