2112312115 has 8 divisors (see below), whose sum is σ = 2544414048. Its totient is φ = 1683423360.

The previous prime is 2112312109. The next prime is 2112312143. The reversal of 2112312115 is 5112132112.

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

It is not a de Polignac number, because 2112312115 - 2³ = 2112312107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112312092 and 2112312101.

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, 801846 + ... + 804475.

It is an arithmetic number, because the mean of its divisors is an integer number (318051756).

Almost surely, 2^2112312115 is an apocalyptic number.

2112312115 is a deficient number, since it is larger than the sum of its proper divisors (432101933).

2112312115 is a wasteful number, since it uses less digits than its factorization.

2112312115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606589.

The product of its digits is 120, while the sum is 19.

The square root of 2112312115 is about 45959.8968123298. The cubic root of 2112312115 is about 1283.0769308787.

Adding to 2112312115 its reverse (5112132112), we get a palindrome (7224444227).

The spelling of 2112312115 in words is "two billion, one hundred twelve million, three hundred twelve thousand, one hundred fifteen".