1220443413205 has 8 divisors (see below), whose sum is σ = 1464973372800. Its totient is φ = 976060545936.

The previous prime is 1220443413103. The next prime is 1220443413229. The reversal of 1220443413205 is 5023143440221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220443413205 - 2¹¹ = 1220443411157 is a prime.

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, 36754825 + ... + 36788014.

It is an arithmetic number, because the mean of its divisors is an integer number (183121671600).

Almost surely, 2^{1220443413205} is an apocalyptic number.

It is an amenable number.

1220443413205 is a deficient number, since it is larger than the sum of its proper divisors (244529959595).

1220443413205 is an equidigital number, since it uses as much as digits as its factorization.

1220443413205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73546163.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1220443413205 its reverse (5023143440221), we get a palindrome (6243586853426).

The spelling of 1220443413205 in words is "one trillion, two hundred twenty billion, four hundred forty-three million, four hundred thirteen thousand, two hundred five".