144221434412 has 24 divisors (see below), whose sum is σ = 275367314880. Its totient is φ = 65546748560.

The previous prime is 144221434397. The next prime is 144221434417. The reversal of 144221434412 is 214434122441.

144221434412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (144221434417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140639 + ... + 555177.

It is an arithmetic number, because the mean of its divisors is an integer number (11473638120).

Almost surely, 2^144221434412 is an apocalyptic number.

It is an amenable number.

144221434412 is a deficient number, since it is larger than the sum of its proper divisors (131145880468).

144221434412 is a wasteful number, since it uses less digits than its factorization.

144221434412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422461 (or 422459 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

Adding to 144221434412 its reverse (214434122441), we get a palindrome (358655556853).

The spelling of 144221434412 in words is "one hundred forty-four billion, two hundred twenty-one million, four hundred thirty-four thousand, four hundred twelve".