12132140 has 12 divisors (see below), whose sum is σ = 25477536. Its totient is φ = 4852848.

The previous prime is 12132103. The next prime is 12132151. The reversal of 12132140 is 4123121.

It is a super-3 number, since 3×12132140³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303284 + ... + 303323.

It is an arithmetic number, because the mean of its divisors is an integer number (2123128).

Almost surely, 2^12132140 is an apocalyptic number.

12132140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12132140 is an abundant number, since it is smaller than the sum of its proper divisors (13345396).

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

12132140 is a wasteful number, since it uses less digits than its factorization.

12132140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606616 (or 606614 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12132140 is about 3483.1221626581. The cubic root of 12132140 is about 229.7801301457.

Adding to 12132140 its reverse (4123121), we get a palindrome (16255261).

The spelling of 12132140 in words is "twelve million, one hundred thirty-two thousand, one hundred forty".