1220544105300 has 216 divisors, whose sum is σ = 4129416811520. Its totient is φ = 299755987200.

The previous prime is 1220544105281. The next prime is 1220544105317. The reversal of 1220544105300 is 35014450221.

1220544105300 is a `hidden beast` number, since 12 + 2 + 0 + 544 + 105 + 3 + 0 + 0 = 666.

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 71 ways as a sum of consecutive naturals, for example, 5017485 + ... + 5255115.

Almost surely, 2^{1220544105300} is an apocalyptic number.

1220544105300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220544105300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2064708405760).

1220544105300 is an abundant number, since it is smaller than the sum of its proper divisors (2908872706220).

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

1220544105300 is a wasteful number, since it uses less digits than its factorization.

1220544105300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238103 (or 238093 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 1220544105300 its reverse (35014450221), we get a palindrome (1255558555521).

The spelling of 1220544105300 in words is "one trillion, two hundred twenty billion, five hundred forty-four million, one hundred five thousand, three hundred".