121304201024 has 14 divisors (see below), whose sum is σ = 240713024034. Its totient is φ = 60652100480.

The previous prime is 121304201017. The next prime is 121304201041. The reversal of 121304201024 is 420102403121.

It can be written as a sum of positive squares in only one way, i.e., 74027526400 + 47276674624 = 272080^2 + 217432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121304200987 and 121304201005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947689007 + ... + 947689134.

It is an arithmetic number, because the mean of its divisors is an integer number (17193787431).

Almost surely, 2^121304201024 is an apocalyptic number.

It is an amenable number.

121304201024 is a deficient number, since it is larger than the sum of its proper divisors (119408823010).

121304201024 is an equidigital number, since it uses as much as digits as its factorization.

121304201024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895378153 (or 1895378143 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121304201024 its reverse (420102403121), we get a palindrome (541406604145).

The spelling of 121304201024 in words is "one hundred twenty-one billion, three hundred four million, two hundred one thousand, twenty-four".