244120021312 has 56 divisors (see below), whose sum is σ = 485554629600. Its totient is φ = 121775909376.

The previous prime is 244120021309. The next prime is 244120021319. The reversal of 244120021312 is 213120021442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244120021319) 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, 73462083 + ... + 73465405.

Almost surely, 2^244120021312 is an apocalyptic number.

It is an amenable number.

244120021312 is a deficient number, since it is larger than the sum of its proper divisors (241434608288).

244120021312 is a wasteful number, since it uses less digits than its factorization.

244120021312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663 (or 5653 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 244120021312 its reverse (213120021442), we get a palindrome (457240042754).

The spelling of 244120021312 in words is "two hundred forty-four billion, one hundred twenty million, twenty-one thousand, three hundred twelve".