12133120 has 36 divisors (see below), whose sum is σ = 29065680. Its totient is φ = 4852736.

The previous prime is 12133073. The next prime is 12133129. The reversal of 12133120 is 2133121.

It is a self number, because there is not a number n which added to its sum of digits gives 12133120.

It is not an unprimeable number, because it can be changed into a prime (12133129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3460 + ... + 6019.

It is an arithmetic number, because the mean of its divisors is an integer number (807380).

Almost surely, 2^12133120 is an apocalyptic number.

12133120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12133120 is an abundant number, since it is smaller than the sum of its proper divisors (16932560).

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

12133120 is an frugal number, since it uses more digits than its factorization.

12133120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500 (or 9486 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12133120 is about 3483.2628382021. The cubic root of 12133120 is about 229.7863169758.

Adding to 12133120 its reverse (2133121), we get a palindrome (14266241).

Subtracting from 12133120 its reverse (2133121), we obtain a palindrome (9999999).

The spelling of 12133120 in words is "twelve million, one hundred thirty-three thousand, one hundred twenty".