12351212 has 12 divisors (see below), whose sum is σ = 21648480. Its totient is φ = 6165936.

The previous prime is 12351203. The next prime is 12351217. The reversal of 12351212 is 21215321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12351217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989 + ... + 5067.

It is an arithmetic number, because the mean of its divisors is an integer number (1804040).

Almost surely, 2^12351212 is an apocalyptic number.

It is an amenable number.

12351212 is a deficient number, since it is larger than the sum of its proper divisors (9297268).

12351212 is a wasteful number, since it uses less digits than its factorization.

12351212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840 (or 4838 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 12351212 is about 3514.4291143797. The cubic root of 12351212 is about 231.1549468611.

Adding to 12351212 its reverse (21215321), we get a palindrome (33566533).

The spelling of 12351212 in words is "twelve million, three hundred fifty-one thousand, two hundred twelve".