11142233012 has 12 divisors (see below), whose sum is σ = 19579817796. Its totient is φ = 5547999360.

The previous prime is 11142232987. The next prime is 11142233027. The reversal of 11142233012 is 21033224111.

It can be written as a sum of positive squares in 2 ways, for example, as 9738531856 + 1403701156 = 98684^2 + 37466^2 .

It is a congruent number.

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, 5778203 + ... + 5780130.

It is an arithmetic number, because the mean of its divisors is an integer number (1631651483).

Almost surely, 2^11142233012 is an apocalyptic number.

It is an amenable number.

11142233012 is a deficient number, since it is larger than the sum of its proper divisors (8437584784).

11142233012 is a wasteful number, since it uses less digits than its factorization.

11142233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11558578 (or 11558576 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11142233012 its reverse (21033224111), we get a palindrome (32175457123).

The spelling of 11142233012 in words is "eleven billion, one hundred forty-two million, two hundred thirty-three thousand, twelve".