1224140331320 has 32 divisors (see below), whose sum is σ = 2754348094800. Its totient is φ = 489650381568.

The previous prime is 1224140331317. The next prime is 1224140331343. The reversal of 1224140331320 is 231330414221.

It is a self number, because there is not a number n which added to its sum of digits gives 1224140331320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5431436 + ... + 5652324.

Almost surely, 2^{1224140331320} is an apocalyptic number.

1224140331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224140331320 is an abundant number, since it is smaller than the sum of its proper divisors (1530207763480).

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

1224140331320 is a wasteful number, since it uses less digits than its factorization.

1224140331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359447 (or 359443 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1224140331320 its reverse (231330414221), we get a palindrome (1455470745541).

The spelling of 1224140331320 in words is "one trillion, two hundred twenty-four billion, one hundred forty million, three hundred thirty-one thousand, three hundred twenty".