1216418482144 has 24 divisors (see below), whose sum is σ = 2520867250440. Its totient is φ = 576198228096.

The previous prime is 1216418482117. The next prime is 1216418482157. The reversal of 1216418482144 is 4412848146121.

It is a junction number, because it is equal to n+sod(n) for n = 1216418482094 and 1216418482103.

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 3 ways as a sum of consecutive naturals, for example, 1000343539 + ... + 1000344754.

It is an arithmetic number, because the mean of its divisors is an integer number (105036135435).

Almost surely, 2^{1216418482144} is an apocalyptic number.

It is an amenable number.

1216418482144 is an abundant number, since it is smaller than the sum of its proper divisors (1304448768296).

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

1216418482144 is a wasteful number, since it uses less digits than its factorization.

1216418482144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000688322 (or 2000688314 counting only the distinct ones).

The product of its digits is 393216, while the sum is 46.

The spelling of 1216418482144 in words is "one trillion, two hundred sixteen billion, four hundred eighteen million, four hundred eighty-two thousand, one hundred forty-four".