121320606244 has 12 divisors (see below), whose sum is σ = 212322102300. Its totient is φ = 60657148448.

The previous prime is 121320606227. The next prime is 121320606247. The reversal of 121320606244 is 442606023121.

It can be written as a sum of positive squares in 2 ways, for example, as 16214966244 + 105105640000 = 127338^2 + 324200^2 .

It is not an unprimeable number, because it can be changed into a prime (121320606247) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 701059 + ... + 856810.

It is an arithmetic number, because the mean of its divisors is an integer number (17693508525).

Almost surely, 2^121320606244 is an apocalyptic number.

It is an amenable number.

121320606244 is a deficient number, since it is larger than the sum of its proper divisors (91001496056).

121320606244 is a wasteful number, since it uses less digits than its factorization.

121320606244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577342 (or 1577340 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 121320606244 its reverse (442606023121), we get a palindrome (563926629365).

The spelling of 121320606244 in words is "one hundred twenty-one billion, three hundred twenty million, six hundred six thousand, two hundred forty-four".