13213110120203 has 16 divisors (see below), whose sum is σ = 15326390667264. Its totient is φ = 11156259755520.

The previous prime is 13213110120193. The next prime is 13213110120211. The reversal of 13213110120203 is 30202101131231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13213110120203 - 2¹⁸ = 13213109858059 is a prime.

It is a super-2 number, since 2×13213110120203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13213110128203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25406726 + ... + 25921572.

It is an arithmetic number, because the mean of its divisors is an integer number (957899416704).

Almost surely, 2^{13213110120203} is an apocalyptic number.

13213110120203 is a deficient number, since it is larger than the sum of its proper divisors (2113280547061).

13213110120203 is an equidigital number, since it uses as much as digits as its factorization.

13213110120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569642.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13213110120203 its reverse (30202101131231), we get a palindrome (43415211251434).

The spelling of 13213110120203 in words is "thirteen trillion, two hundred thirteen billion, one hundred ten million, one hundred twenty thousand, two hundred three".