1300203112021 has 8 divisors (see below), whose sum is σ = 1418560077600. Its totient is φ = 1181872260240.

The previous prime is 1300203112007. The next prime is 1300203112031. The reversal of 1300203112021 is 1202113020031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1300203112021 - 2²¹ = 1300201014869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300203111986 and 1300203112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300203112031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6424266 + ... + 6623563.

It is an arithmetic number, because the mean of its divisors is an integer number (177320009700).

Almost surely, 2^{1300203112021} is an apocalyptic number.

1300203112021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1300203112021 is a deficient number, since it is larger than the sum of its proper divisors (118356965579).

1300203112021 is a wasteful number, since it uses less digits than its factorization.

1300203112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13056899.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1300203112021 its reverse (1202113020031), we get a palindrome (2502316132052).

The spelling of 1300203112021 in words is "one trillion, three hundred billion, two hundred three million, one hundred twelve thousand, twenty-one".