1220441411144 has 32 divisors (see below), whose sum is σ = 2298462550200. Its totient is φ = 607521661440.

The previous prime is 1220441411113. The next prime is 1220441411159. The reversal of 1220441411144 is 4411141440221.

It can be written as a sum of positive squares in 4 ways, for example, as 1219368062500 + 1073348644 = 1104250^2 + 32762^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2499404 + ... + 2947524.

Almost surely, 2^{1220441411144} is an apocalyptic number.

It is an amenable number.

1220441411144 is a deficient number, since it is larger than the sum of its proper divisors (1078021139056).

1220441411144 is a wasteful number, since it uses less digits than its factorization.

1220441411144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449633 (or 449629 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

Adding to 1220441411144 its reverse (4411141440221), we get a palindrome (5631582851365).

The spelling of 1220441411144 in words is "one trillion, two hundred twenty billion, four hundred forty-one million, four hundred eleven thousand, one hundred forty-four".