11121232012 has 96 divisors (see below), whose sum is σ = 21959884800. Its totient is φ = 4885816320.

The previous prime is 11121231973. The next prime is 11121232027. The reversal of 11121232012 is 21023212111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55885489 + ... + 55885687.

It is an arithmetic number, because the mean of its divisors is an integer number (228748800).

Almost surely, 2^11121232012 is an apocalyptic number.

It is an amenable number.

11121232012 is a deficient number, since it is larger than the sum of its proper divisors (10838652788).

11121232012 is a wasteful number, since it uses less digits than its factorization.

11121232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11121232012 its reverse (21023212111), we get a palindrome (32144444123).

The spelling of 11121232012 in words is "eleven billion, one hundred twenty-one million, two hundred thirty-two thousand, twelve".