144421322012 has 48 divisors (see below), whose sum is σ = 282485750400. Its totient is φ = 64047447360.

The previous prime is 144421321991. The next prime is 144421322039. The reversal of 144421322012 is 210223124441.

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 15 ways as a sum of consecutive naturals, for example, 244439 + ... + 590417.

It is an arithmetic number, because the mean of its divisors is an integer number (5885119800).

Almost surely, 2^144421322012 is an apocalyptic number.

It is an amenable number.

144421322012 is a deficient number, since it is larger than the sum of its proper divisors (138064428388).

144421322012 is a wasteful number, since it uses less digits than its factorization.

144421322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346226 (or 346224 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 144421322012 its reverse (210223124441), we get a palindrome (354644446453).

The spelling of 144421322012 in words is "one hundred forty-four billion, four hundred twenty-one million, three hundred twenty-two thousand, twelve".