12212612 has 12 divisors (see below), whose sum is σ = 21504336. Its totient is φ = 6068520.

The previous prime is 12212597. The next prime is 12212623. The reversal of 12212612 is 21621221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8714 + ... + 10017.

It is an arithmetic number, because the mean of its divisors is an integer number (1792028).

Almost surely, 2^12212612 is an apocalyptic number.

It is an amenable number.

12212612 is a deficient number, since it is larger than the sum of its proper divisors (9291724).

12212612 is a wasteful number, since it uses less digits than its factorization.

12212612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18898 (or 18896 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 12212612 is about 3494.6547755107. The cubic root of 12212612 is about 230.2870518035.

Adding to 12212612 its reverse (21621221), we get a palindrome (33833833).

The spelling of 12212612 in words is "twelve million, two hundred twelve thousand, six hundred twelve".