2112113312 has 24 divisors (see below), whose sum is σ = 4176084276. Its totient is φ = 1051520512.

The previous prime is 2112113309. The next prime is 2112113323. The reversal of 2112113312 is 2133112112.

It can be written as a sum of positive squares in 2 ways, for example, as 1939873936 + 172239376 = 44044^2 + 13124^2 .

It is a super-2 number, since 2×2112113312² = 8922045285455218688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134183 + ... + 149094.

Almost surely, 2^2112113312 is an apocalyptic number.

It is an amenable number.

2112113312 is a deficient number, since it is larger than the sum of its proper divisors (2063970964).

2112113312 is a wasteful number, since it uses less digits than its factorization.

2112113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283520 (or 283512 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 2112113312 is about 45957.7339737285. The cubic root of 2112113312 is about 1283.0366767982.

Adding to 2112113312 its reverse (2133112112), we get a palindrome (4245225424).

The spelling of 2112113312 in words is "two billion, one hundred twelve million, one hundred thirteen thousand, three hundred twelve".