130303200121 has 6 divisors (see below), whose sum is σ = 136214877050. Its totient is φ = 124637843088.

The previous prime is 130303200101. The next prime is 130303200133. The reversal of 130303200121 is 121002303031.

It can be written as a sum of positive squares in only one way, i.e., 128407555600 + 1895644521 = 358340^2 + 43539^2 .

It is not a de Polignac number, because 130303200121 - 2¹³ = 130303191929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130303200095 and 130303200104.

It is not an unprimeable number, because it can be changed into a prime (130303200101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123159396 + ... + 123160453.

Almost surely, 2^130303200121 is an apocalyptic number.

It is an amenable number.

130303200121 is a deficient number, since it is larger than the sum of its proper divisors (5911676929).

130303200121 is an equidigital number, since it uses as much as digits as its factorization.

130303200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246319895 (or 246319872 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 130303200121 its reverse (121002303031), we get a palindrome (251305503152).

The spelling of 130303200121 in words is "one hundred thirty billion, three hundred three million, two hundred thousand, one hundred twenty-one".