12011120 has 40 divisors (see below), whose sum is σ = 30466800. Its totient is φ = 4367360.

The previous prime is 12011117. The next prime is 12011123. The reversal of 12011120 is 2111021.

12011120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12011117) and next prime (12011123).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 12011098 and 12011107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5945 + ... + 7704.

It is an arithmetic number, because the mean of its divisors is an integer number (761670).

Almost surely, 2^12011120 is an apocalyptic number.

12011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011120 is an abundant number, since it is smaller than the sum of its proper divisors (18455680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12011120 is a wasteful number, since it uses less digits than its factorization.

12011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13673 (or 13667 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 12011120 is about 3465.7062772255. The cubic root of 12011120 is about 229.0135445800.

Adding to 12011120 its reverse (2111021), we get a palindrome (14122141).

Subtracting from 12011120 its reverse (2111021), we obtain a palindrome (9900099).

The spelling of 12011120 in words is "twelve million, eleven thousand, one hundred twenty".