121330332444 has 48 divisors (see below), whose sum is σ = 286381319840. Its totient is φ = 39977038080.

The previous prime is 121330332427. The next prime is 121330332451. The reversal of 121330332444 is 444233033121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440502 + ... + 660834.

Almost surely, 2^121330332444 is an apocalyptic number.

It is an amenable number.

121330332444 is an abundant number, since it is smaller than the sum of its proper divisors (165050987396).

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

121330332444 is a wasteful number, since it uses less digits than its factorization.

121330332444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220870 (or 220868 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 121330332444 its reverse (444233033121), we get a palindrome (565563365565).

The spelling of 121330332444 in words is "one hundred twenty-one billion, three hundred thirty million, three hundred thirty-two thousand, four hundred forty-four".