1121112012 has 24 divisors (see below), whose sum is σ = 2616737200. Its totient is φ = 373588416.

The previous prime is 1121112007. The next prime is 1121112089. The reversal of 1121112012 is 2102111211.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 31914 + ... + 57102.

Almost surely, 2^1121112012 is an apocalyptic number.

1121112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121112012 is an abundant number, since it is smaller than the sum of its proper divisors (1495625188).

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

1121112012 is a wasteful number, since it uses less digits than its factorization.

1121112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28905 (or 28903 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1121112012 is about 33483.0107965219. The cubic root of 1121112012 is about 1038.8424040504.

Adding to 1121112012 its reverse (2102111211), we get a palindrome (3223223223).

The spelling of 1121112012 in words is "one billion, one hundred twenty-one million, one hundred twelve thousand, twelve".