12101321 has 8 divisors (see below), whose sum is σ = 12265344. Its totient is φ = 11938720.

The previous prime is 12101303. The next prime is 12101329. The reversal of 12101321 is 12310121.

12101321 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101329) 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, 38756 + ... + 39066.

It is an arithmetic number, because the mean of its divisors is an integer number (1533168).

Almost surely, 2^12101321 is an apocalyptic number.

It is an amenable number.

12101321 is a deficient number, since it is larger than the sum of its proper divisors (164023).

12101321 is a wasteful number, since it uses less digits than its factorization.

12101321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12101321 is about 3478.6953014025. The cubic root of 12101321 is about 229.5853967431.

Adding to 12101321 its reverse (12310121), we get a palindrome (24411442).

The spelling of 12101321 in words is "twelve million, one hundred one thousand, three hundred twenty-one".