1112312120 has 16 divisors (see below), whose sum is σ = 2502702360. Its totient is φ = 444924832.

The previous prime is 1112312119. The next prime is 1112312143. The reversal of 1112312120 is 212132111.

It is a junction number, because it is equal to n+sod(n) for n = 1112312095 and 1112312104.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13903862 + ... + 13903941.

Almost surely, 2^1112312120 is an apocalyptic number.

1112312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112312120 is an abundant number, since it is smaller than the sum of its proper divisors (1390390240).

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

1112312120 is a wasteful number, since it uses less digits than its factorization.

1112312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27807814 (or 27807810 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1112312120 is about 33351.3436011205. The cubic root of 1112312120 is about 1036.1172156597.

Adding to 1112312120 its reverse (212132111), we get a palindrome (1324444231).

Subtracting from 1112312120 its reverse (212132111), we obtain a square (900180009 = 30003²).

The spelling of 1112312120 in words is "one billion, one hundred twelve million, three hundred twelve thousand, one hundred twenty".