1224420511120 has 20 divisors (see below), whose sum is σ = 2846777688540. Its totient is φ = 489768204416.

The previous prime is 1224420511103. The next prime is 1224420511159. The reversal of 1224420511120 is 211150244221.

It can be written as a sum of positive squares in 2 ways, for example, as 145780403344 + 1078640107776 = 381812^2 + 1038576^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 7652628115 + ... + 7652628274.

It is an arithmetic number, because the mean of its divisors is an integer number (142338884427).

Almost surely, 2^{1224420511120} is an apocalyptic number.

1224420511120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224420511120 is an abundant number, since it is smaller than the sum of its proper divisors (1622357177420).

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

1224420511120 is a wasteful number, since it uses less digits than its factorization.

1224420511120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15305256402 (or 15305256396 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 1224420511120 its reverse (211150244221), we get a palindrome (1435570755341).

The spelling of 1224420511120 in words is "one trillion, two hundred twenty-four billion, four hundred twenty million, five hundred eleven thousand, one hundred twenty".