2112323020 has 12 divisors (see below), whose sum is σ = 4435878384. Its totient is φ = 844929200.

The previous prime is 2112323011. The next prime is 2112323027. The reversal of 2112323020 is 203232112.

It is a junction number, because it is equal to n+sod(n) for n = 2112322985 and 2112323003.

It is not an unprimeable number, because it can be changed into a prime (2112323027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52808056 + ... + 52808095.

It is an arithmetic number, because the mean of its divisors is an integer number (369656532).

Almost surely, 2^2112323020 is an apocalyptic number.

2112323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112323020 is an abundant number, since it is smaller than the sum of its proper divisors (2323555364).

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

2112323020 is a wasteful number, since it uses less digits than its factorization.

2112323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105616160 (or 105616158 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2112323020 is about 45960.0154482132. The cubic root of 2112323020 is about 1283.0791388747.

Adding to 2112323020 its reverse (203232112), we get a palindrome (2315555132).

The spelling of 2112323020 in words is "two billion, one hundred twelve million, three hundred twenty-three thousand, twenty".