121341323144 has 16 divisors (see below), whose sum is σ = 227528281500. Its totient is φ = 60667114752.

The previous prime is 121341323141. The next prime is 121341323209. The reversal of 121341323144 is 441323143121.

It can be written as a sum of positive squares in 2 ways, for example, as 114337307044 + 7004016100 = 338138^2 + 83690^2 .

It is not an unprimeable number, because it can be changed into a prime (121341323141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295037 + ... + 574220.

Almost surely, 2^121341323144 is an apocalyptic number.

It is an amenable number.

121341323144 is a deficient number, since it is larger than the sum of its proper divisors (106186958356).

121341323144 is a wasteful number, since it uses less digits than its factorization.

121341323144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886712 (or 886708 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

Adding to 121341323144 its reverse (441323143121), we get a palindrome (562664466265).

The spelling of 121341323144 in words is "one hundred twenty-one billion, three hundred forty-one million, three hundred twenty-three thousand, one hundred forty-four".