120001320444 has 24 divisors (see below), whose sum is σ = 282480987600. Its totient is φ = 39646453504.

The previous prime is 120001320433. The next prime is 120001320499. The reversal of 120001320444 is 444023100021.

It is a self number, because there is not a number n which added to its sum of digits gives 120001320444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44246919 + ... + 44249630.

It is an arithmetic number, because the mean of its divisors is an integer number (11770041150).

Almost surely, 2^120001320444 is an apocalyptic number.

It is an amenable number.

120001320444 is an abundant number, since it is smaller than the sum of its proper divisors (162479667156).

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

120001320444 is a wasteful number, since it uses less digits than its factorization.

120001320444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88496669 (or 88496667 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 120001320444 its reverse (444023100021), we get a palindrome (564024420465).

The spelling of 120001320444 in words is "one hundred twenty billion, one million, three hundred twenty thousand, four hundred forty-four".