12021214 has 8 divisors (see below), whose sum is σ = 18049680. Its totient is φ = 6004656.

The previous prime is 12021187. The next prime is 12021259. The reversal of 12021214 is 41212021.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12021194 and 12021203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247 + ... + 4909.

It is an arithmetic number, because the mean of its divisors is an integer number (2256210).

Almost surely, 2^12021214 is an apocalyptic number.

12021214 is a deficient number, since it is larger than the sum of its proper divisors (6028466).

12021214 is a wasteful number, since it uses less digits than its factorization.

12021214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12021214 is about 3467.1622402189. The cubic root of 12021214 is about 229.0776800216.

Adding to 12021214 its reverse (41212021), we get a palindrome (53233235).

The spelling of 12021214 in words is "twelve million, twenty-one thousand, two hundred fourteen".