12121223214 has 8 divisors (see below), whose sum is σ = 24242446440. Its totient is φ = 4040407736.

The previous prime is 12121223209. The next prime is 12121223263. The reversal of 12121223214 is 41232212121.

It is a happy number.

12121223214 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.

12121223214 is an admirable number.

It is a super-2 number, since 2×12121223214² (a number of 21 digits) contains 22 as substring.

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, 1010101929 + ... + 1010101940.

It is an arithmetic number, because the mean of its divisors is an integer number (3030305805).

Almost surely, 2^12121223214 is an apocalyptic number.

12121223214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12121223214 is a wasteful number, since it uses less digits than its factorization.

12121223214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020203874.

The product of its digits is 384, while the sum is 21.

Adding to 12121223214 its reverse (41232212121), we get a palindrome (53353435335).

The spelling of 12121223214 in words is "twelve billion, one hundred twenty-one million, two hundred twenty-three thousand, two hundred fourteen".