12000121 has 8 divisors (see below), whose sum is σ = 13806464. Its totient is φ = 10216800.

The previous prime is 12000097. The next prime is 12000127. The reversal of 12000121 is 12100021.

12000121 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 12000121 - 2²³ = 3611513 is a prime.

It is a super-3 number, since 3×12000121³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (12000127) 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, 4620 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (1725808).

Almost surely, 2^12000121 is an apocalyptic number.

It is an amenable number.

12000121 is a deficient number, since it is larger than the sum of its proper divisors (1806343).

12000121 is a wasteful number, since it uses less digits than its factorization.

12000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11511.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 12000121 is about 3464.1190799394. The cubic root of 12000121 is about 228.9436180104.

Adding to 12000121 its reverse (12100021), we get a palindrome (24100142).

It can be divided in two parts, 12000 and 121, that added together give a palindrome (12121).

The spelling of 12000121 in words is "twelve million, one hundred twenty-one", and thus it is an aban number.