12242212 has 24 divisors (see below), whose sum is σ = 21998592. Its totient is φ = 5959200.

The previous prime is 12242203. The next prime is 12242221. The reversal of 12242212 is 21224221.

12242212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12242203) and next prime (12242221).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31773 + ... + 32155.

It is an arithmetic number, because the mean of its divisors is an integer number (916608).

Almost surely, 2^12242212 is an apocalyptic number.

It is an amenable number.

12242212 is a deficient number, since it is larger than the sum of its proper divisors (9756380).

12242212 is a wasteful number, since it uses less digits than its factorization.

12242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 577 counting only the distinct ones).

The product of its digits is 128, while the sum is 16.

The square root of 12242212 is about 3498.8872516845. The cubic root of 12242212 is about 230.4729524401.

Adding to 12242212 its reverse (21224221), we get a palindrome (33466433).

Subtracting 12242212 from its reverse (21224221), we obtain a square (8982009 = 2997²).

It can be divided in two parts, 1224221 and 2, that multiplied together give a palindrome (2448442).

The spelling of 12242212 in words is "twelve million, two hundred forty-two thousand, two hundred twelve".