13120120201 has 4 divisors (see below), whose sum is σ = 13151284804. Its totient is φ = 13088955600.

The previous prime is 13120120199. The next prime is 13120120213. The reversal of 13120120201 is 10202102131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4202150976 + 8917969225 = 64824^2 + 94435^2 .

It is a cyclic number.

It is not a de Polignac number, because 13120120201 - 2¹ = 13120120199 is a prime.

It is a super-3 number, since 3×13120120201³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120120241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15581670 + ... + 15582511.

It is an arithmetic number, because the mean of its divisors is an integer number (3287821201).

Almost surely, 2^13120120201 is an apocalyptic number.

It is an amenable number.

13120120201 is a deficient number, since it is larger than the sum of its proper divisors (31164603).

13120120201 is an equidigital number, since it uses as much as digits as its factorization.

13120120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31164602.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 13120120201 its reverse (10202102131), we get a palindrome (23322222332).

The spelling of 13120120201 in words is "thirteen billion, one hundred twenty million, one hundred twenty thousand, two hundred one".