13120120203 has 8 divisors (see below), whose sum is σ = 17511043728. Its totient is φ = 8737971744.

The previous prime is 13120120199. The next prime is 13120120213. The reversal of 13120120203 is 30202102131.

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

It is not a de Polignac number, because 13120120203 - 2² = 13120120199 is a prime.

It is a super-2 number, since 2×13120120203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13120120213) 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, 2190276 + ... + 2196257.

It is an arithmetic number, because the mean of its divisors is an integer number (2188880466).

Almost surely, 2^13120120203 is an apocalyptic number.

13120120203 is a deficient number, since it is larger than the sum of its proper divisors (4390923525).

13120120203 is an equidigital number, since it uses as much as digits as its factorization.

13120120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387533.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13120120203 its reverse (30202102131), we get a palindrome (43322222334).

The spelling of 13120120203 in words is "thirteen billion, one hundred twenty million, one hundred twenty thousand, two hundred three".