13120211021201 has 4 divisors (see below), whose sum is σ = 13399364447232. Its totient is φ = 12841057595172.

The previous prime is 13120211021191. The next prime is 13120211021209. The reversal of 13120211021201 is 10212011202131.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13120211021201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13120211021201.

It is not an unprimeable number, because it can be changed into a prime (13120211021209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139576712945 + ... + 139576713038.

It is an arithmetic number, because the mean of its divisors is an integer number (3349841111808).

Almost surely, 2^{13120211021201} is an apocalyptic number.

It is an amenable number.

13120211021201 is a deficient number, since it is larger than the sum of its proper divisors (279153426031).

13120211021201 is an equidigital number, since it uses as much as digits as its factorization.

13120211021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279153426030.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 13120211021201 its reverse (10212011202131), we get a palindrome (23332222223332).

The spelling of 13120211021201 in words is "thirteen trillion, one hundred twenty billion, two hundred eleven million, twenty-one thousand, two hundred one".