1224251212 has 12 divisors (see below), whose sum is σ = 2177562016. Its totient is φ = 602090640.

The previous prime is 1224251191. The next prime is 1224251221. The reversal of 1224251212 is 2121524221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2508468 + ... + 2508955.

Almost surely, 2^1224251212 is an apocalyptic number.

It is an amenable number.

1224251212 is a deficient number, since it is larger than the sum of its proper divisors (953310804).

1224251212 is a wasteful number, since it uses less digits than its factorization.

1224251212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017488 (or 5017486 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 1224251212 is about 34989.3013934260. The cubic root of 1224251212 is about 1069.7694242152.

Adding to 1224251212 its reverse (2121524221), we get a palindrome (3345775433).

The spelling of 1224251212 in words is "one billion, two hundred twenty-four million, two hundred fifty-one thousand, two hundred twelve".