144242112121012 has 12 divisors (see below), whose sum is σ = 252425189887780. Its totient is φ = 72120629295936.

The previous prime is 144242112120881. The next prime is 144242112121087. The reversal of 144242112121012 is 210121211242441.

It can be written as a sum of positive squares in 2 ways, for example, as 58228284516516 + 86013827604496 = 7630746^2 + 9274364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105930063 + ... + 107283094.

Almost surely, 2^{144242112121012} is an apocalyptic number.

It is an amenable number.

144242112121012 is a deficient number, since it is larger than the sum of its proper divisors (108183077766768).

144242112121012 is a wasteful number, since it uses less digits than its factorization.

144242112121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213382290 (or 213382288 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

Adding to 144242112121012 its reverse (210121211242441), we get a palindrome (354363323363453).

The spelling of 144242112121012 in words is "one hundred forty-four trillion, two hundred forty-two billion, one hundred twelve million, one hundred twenty-one thousand, twelve".