1220441345134 has 16 divisors (see below), whose sum is σ = 1997198355456. Its totient is φ = 554714811000.

The previous prime is 1220441345111. The next prime is 1220441345141. The reversal of 1220441345134 is 4315431440221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220441345134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161102 + ... + 1946545.

It is an arithmetic number, because the mean of its divisors is an integer number (124824897216).

Almost surely, 2^{1220441345134} is an apocalyptic number.

1220441345134 is a deficient number, since it is larger than the sum of its proper divisors (776757010322).

1220441345134 is a wasteful number, since it uses less digits than its factorization.

1220441345134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125511.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 1220441345134 its reverse (4315431440221), we get a palindrome (5535872785355).

The spelling of 1220441345134 in words is "one trillion, two hundred twenty billion, four hundred forty-one million, three hundred forty-five thousand, one hundred thirty-four".