12120213 has 8 divisors (see below), whose sum is σ = 18468928. Its totient is φ = 6925824.

The previous prime is 12120181. The next prime is 12120223. The reversal of 12120213 is 31202121.

12120213 is digitally balanced in base 2 and base 4, because in such bases 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 12120213 - 2⁵ = 12120181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120223) 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, 288556 + ... + 288597.

It is an arithmetic number, because the mean of its divisors is an integer number (2308616).

Almost surely, 2^12120213 is an apocalyptic number.

It is an amenable number.

12120213 is a deficient number, since it is larger than the sum of its proper divisors (6348715).

12120213 is an equidigital number, since it uses as much as digits as its factorization.

12120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577163.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12120213 is about 3481.4096282971. The cubic root of 12120213 is about 229.7048071831.

Adding to 12120213 its reverse (31202121), we get a palindrome (43322334).

The spelling of 12120213 in words is "twelve million, one hundred twenty thousand, two hundred thirteen".