11112443012 has 18 divisors (see below), whose sum is σ = 21375382014. Its totient is φ = 5051110240.

The previous prime is 11112442997. The next prime is 11112443021. The reversal of 11112443012 is 21034421111.

It can be written as a sum of positive squares in only one way, i.e., 10796456836 + 315986176 = 103906^2 + 17776^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11479313 + ... + 11480280.

It is an arithmetic number, because the mean of its divisors is an integer number (1187521223).

Almost surely, 2^11112443012 is an apocalyptic number.

It is an amenable number.

11112443012 is a deficient number, since it is larger than the sum of its proper divisors (10262939002).

11112443012 is a wasteful number, since it uses less digits than its factorization.

11112443012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22959619 (or 22959606 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11112443012 its reverse (21034421111), we get a palindrome (32146864123).

The spelling of 11112443012 in words is "eleven billion, one hundred twelve million, four hundred forty-three thousand, twelve".