1112012120 has 32 divisors (see below), whose sum is σ = 2503645200. Its totient is φ = 444517248.

The previous prime is 1112012113. The next prime is 1112012131. The reversal of 1112012120 is 212102111.

It is a congruent number.

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, 60227 + ... + 76493.

Almost surely, 2^1112012120 is an apocalyptic number.

1112012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112012120 is an abundant number, since it is smaller than the sum of its proper divisors (1391633080).

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

1112012120 is a wasteful number, since it uses less digits than its factorization.

1112012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17987 (or 17983 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1112012120 is about 33346.8457278946. The cubic root of 1112012120 is about 1036.0240574210.

Adding to 1112012120 its reverse (212102111), we get a palindrome (1324114231).

The spelling of 1112012120 in words is "one billion, one hundred twelve million, twelve thousand, one hundred twenty".