13120021330133 has 4 divisors (see below), whose sum is σ = 13120028981760. Its totient is φ = 13120013678508.

The previous prime is 13120021330057. The next prime is 13120021330231. The reversal of 13120021330133 is 33103312002131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13120021330133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13120021330099 and 13120021330108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120021330033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65516 + ... + 5122922.

It is an arithmetic number, because the mean of its divisors is an integer number (3280007245440).

Almost surely, 2^{13120021330133} is an apocalyptic number.

It is an amenable number.

13120021330133 is a deficient number, since it is larger than the sum of its proper divisors (7651627).

13120021330133 is an equidigital number, since it uses as much as digits as its factorization.

13120021330133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651626.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13120021330133 its reverse (33103312002131), we get a palindrome (46223333332264).

The spelling of 13120021330133 in words is "thirteen trillion, one hundred twenty billion, twenty-one million, three hundred thirty thousand, one hundred thirty-three".