12213101 has 8 divisors (see below), whose sum is σ = 12689664. Its totient is φ = 11741760.

The previous prime is 12213079. The next prime is 12213109. The reversal of 12213101 is 10131221.

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 12213101 - 2⁶ = 12213037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213109) 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, 3845 + ... + 6261.

It is an arithmetic number, because the mean of its divisors is an integer number (1586208).

Almost surely, 2^12213101 is an apocalyptic number.

It is an amenable number.

12213101 is a deficient number, since it is larger than the sum of its proper divisors (476563).

12213101 is a wasteful number, since it uses less digits than its factorization.

12213101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611.

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

The square root of 12213101 is about 3494.7247388028. The cubic root of 12213101 is about 230.2901253711.

Adding to 12213101 its reverse (10131221), we get a palindrome (22344322).

The spelling of 12213101 in words is "twelve million, two hundred thirteen thousand, one hundred one".