1131112012 has 12 divisors (see below), whose sum is σ = 1989703576. Its totient is φ = 562625280.

The previous prime is 1131112001. The next prime is 1131112057. The reversal of 1131112012 is 2102111311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1131111983 and 1131112001.

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, 731814 + ... + 733357.

Almost surely, 2^1131112012 is an apocalyptic number.

It is an amenable number.

1131112012 is a deficient number, since it is larger than the sum of its proper divisors (858591564).

1131112012 is a wasteful number, since it uses less digits than its factorization.

1131112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465368 (or 1465366 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1131112012 is about 33632.0087416735. The cubic root of 1131112012 is about 1041.9219919424.

Adding to 1131112012 its reverse (2102111311), we get a palindrome (3233223323).

The spelling of 1131112012 in words is "one billion, one hundred thirty-one million, one hundred twelve thousand, twelve".