121300021444424 has 32 divisors (see below), whose sum is σ = 227670172382520. Its totient is φ = 60588006775296.

The previous prime is 121300021444421. The next prime is 121300021444447. The reversal of 121300021444424 is 424444120003121.

It can be written as a sum of positive squares in 4 ways, for example, as 115471572892900 + 5828448551524 = 10745770^2 + 2414218^2 .

It is not an unprimeable number, because it can be changed into a prime (121300021444421) 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, 29080874 + ... + 32989350.

Almost surely, 2^{121300021444424} is an apocalyptic number.

It is an amenable number.

121300021444424 is a deficient number, since it is larger than the sum of its proper divisors (106370150938096).

121300021444424 is a wasteful number, since it uses less digits than its factorization.

121300021444424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912449 (or 3912445 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 121300021444424 its reverse (424444120003121), we get a palindrome (545744141447545).

The spelling of 121300021444424 in words is "one hundred twenty-one trillion, three hundred billion, twenty-one million, four hundred forty-four thousand, four hundred twenty-four".