4243220243112 has 128 divisors (see below), whose sum is σ = 11058167589120. Its totient is φ = 1355927040000.

The previous prime is 4243220243077. The next prime is 4243220243131. The reversal of 4243220243112 is 2113420223424.

It is a self number, because there is not a number n which added to its sum of digits gives 4243220243112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11535312 + ... + 11897472.

It is an arithmetic number, because the mean of its divisors is an integer number (86391934290).

Almost surely, 2^{4243220243112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243220243112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5529083794560).

4243220243112 is an abundant number, since it is smaller than the sum of its proper divisors (6814947346008).

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

4243220243112 is a wasteful number, since it uses less digits than its factorization.

4243220243112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362435 (or 362431 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 4243220243112 its reverse (2113420223424), we get a palindrome (6356640466536).

The spelling of 4243220243112 in words is "four trillion, two hundred forty-three billion, two hundred twenty million, two hundred forty-three thousand, one hundred twelve".