11123032012 has 12 divisors (see below), whose sum is σ = 20136523680. Its totient is φ = 5369739536.

The previous prime is 11123031991. The next prime is 11123032021. The reversal of 11123032012 is 21023032111.

It is a super-2 number, since 2×11123032012² (a number of 21 digits) contains 22 as substring.

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, 47943988 + ... + 47944219.

It is an arithmetic number, because the mean of its divisors is an integer number (1678043640).

Almost surely, 2^11123032012 is an apocalyptic number.

It is an amenable number.

11123032012 is a deficient number, since it is larger than the sum of its proper divisors (9013491668).

11123032012 is a wasteful number, since it uses less digits than its factorization.

11123032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95888240 (or 95888238 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11123032012 its reverse (21023032111), we get a palindrome (32146064123).

Subtracting 11123032012 from its reverse (21023032111), we obtain a palindrome (9900000099).

The spelling of 11123032012 in words is "eleven billion, one hundred twenty-three million, thirty-two thousand, twelve".