1224323412 has 24 divisors (see below), whose sum is σ = 3076505376. Its totient is φ = 376714848.

The previous prime is 1224323407. The next prime is 1224323437. The reversal of 1224323412 is 2143234221.

It is a happy number.

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

It is a congruent number.

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, 3923958 + ... + 3924269.

It is an arithmetic number, because the mean of its divisors is an integer number (128187724).

Almost surely, 2^1224323412 is an apocalyptic number.

1224323412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1224323412 is an abundant number, since it is smaller than the sum of its proper divisors (1852181964).

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

1224323412 is a wasteful number, since it uses less digits than its factorization.

1224323412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7848247 (or 7848245 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 1224323412 is about 34990.3331221639. Note that the first 3 decimals coincide. The cubic root of 1224323412 is about 1069.7904536231.

Adding to 1224323412 its reverse (2143234221), we get a palindrome (3367557633).

The spelling of 1224323412 in words is "one billion, two hundred twenty-four million, three hundred twenty-three thousand, four hundred twelve".