121300305130003 has 4 divisors (see below), whose sum is σ = 121318748242120. Its totient is φ = 121281862017888.

The previous prime is 121300305129853. The next prime is 121300305130063. The reversal of 121300305130003 is 300031503003121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121300305130003 - 2¹⁷ = 121300304998931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121300305130063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9221546193 + ... + 9221559346.

It is an arithmetic number, because the mean of its divisors is an integer number (30329687060530).

Almost surely, 2^{121300305130003} is an apocalyptic number.

121300305130003 is a deficient number, since it is larger than the sum of its proper divisors (18443112117).

121300305130003 is an equidigital number, since it uses as much as digits as its factorization.

121300305130003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18443112116.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 121300305130003 its reverse (300031503003121), we get a palindrome (421331808133124).

The spelling of 121300305130003 in words is "one hundred twenty-one trillion, three hundred billion, three hundred five million, one hundred thirty thousand, three".