12120132021 has 8 divisors (see below), whose sum is σ = 16354877280. Its totient is φ = 7982737392.

The previous prime is 12120131993. The next prime is 12120132041. The reversal of 12120132021 is 12023102121.

12120132021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12120132021 - 2⁹ = 12120131509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120132041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24337366 + ... + 24337863.

It is an arithmetic number, because the mean of its divisors is an integer number (2044359660).

Almost surely, 2^12120132021 is an apocalyptic number.

It is an amenable number.

12120132021 is a deficient number, since it is larger than the sum of its proper divisors (4234745259).

12120132021 is an equidigital number, since it uses as much as digits as its factorization.

12120132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48675315.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12120132021 its reverse (12023102121), we get a palindrome (24143234142).

The spelling of 12120132021 in words is "twelve billion, one hundred twenty million, one hundred thirty-two thousand, twenty-one".