13120433353203 has 8 divisors (see below), whose sum is σ = 19084266695616. Its totient is φ = 7951777789800.

The previous prime is 13120433353177. The next prime is 13120433353213. The reversal of 13120433353203 is 30235333402131.

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

It is not a de Polignac number, because 13120433353203 - 2¹⁶ = 13120433287667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 397588889491 = 13120433353203 / (1 + 3 + 1 + 2 + 0 + 4 + 3 + 3 + 3 + 5 + 3 + 2 + 0 + 3).

It is not an unprimeable number, because it can be changed into a prime (13120433353213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198794444713 + ... + 198794444778.

It is an arithmetic number, because the mean of its divisors is an integer number (2385533336952).

Almost surely, 2^{13120433353203} is an apocalyptic number.

13120433353203 is a deficient number, since it is larger than the sum of its proper divisors (5963833342413).

13120433353203 is a wasteful number, since it uses less digits than its factorization.

13120433353203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397588889505.

The product of its (nonzero) digits is 58320, while the sum is 33.

Adding to 13120433353203 its reverse (30235333402131), we get a palindrome (43355766755334).

The spelling of 13120433353203 in words is "thirteen trillion, one hundred twenty billion, four hundred thirty-three million, three hundred fifty-three thousand, two hundred three".