12062121 has 8 divisors (see below), whose sum is σ = 16103520. Its totient is φ = 8031072.

The previous prime is 12062101. The next prime is 12062123. The reversal of 12062121 is 12126021.

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

It is not a de Polignac number, because 12062121 - 2¹⁹ = 11537833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12062121.

It is not an unprimeable number, because it can be changed into a prime (12062123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750 + ... + 4968.

It is an arithmetic number, because the mean of its divisors is an integer number (2012940).

Almost surely, 2^12062121 is an apocalyptic number.

It is an amenable number.

12062121 is a deficient number, since it is larger than the sum of its proper divisors (4041399).

12062121 is an equidigital number, since it uses as much as digits as its factorization.

12062121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175.

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

The square root of 12062121 is about 3473.0564349000. The cubic root of 12062121 is about 229.3372287193.

Adding to 12062121 its reverse (12126021), we get a palindrome (24188142).

The spelling of 12062121 in words is "twelve million, sixty-two thousand, one hundred twenty-one".