11232112012 has 48 divisors (see below), whose sum is σ = 21707108640. Its totient is φ = 5085020160.

The previous prime is 11232111977. The next prime is 11232112039. The reversal of 11232112012 is 21021123211.

It is a super-2 number, since 2×11232112012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1364164 + ... + 1372372.

It is an arithmetic number, because the mean of its divisors is an integer number (452231430).

Almost surely, 2^11232112012 is an apocalyptic number.

It is an amenable number.

11232112012 is a deficient number, since it is larger than the sum of its proper divisors (10474996628).

11232112012 is a wasteful number, since it uses less digits than its factorization.

11232112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8503 (or 8479 counting only the distinct ones).

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

Adding to 11232112012 its reverse (21021123211), we get a palindrome (32253235223).

The spelling of 11232112012 in words is "eleven billion, two hundred thirty-two million, one hundred twelve thousand, twelve".