13121300001 has 4 divisors (see below), whose sum is σ = 17495066672. Its totient is φ = 8747533332.

The previous prime is 13121299981. The next prime is 13121300029. The reversal of 13121300001 is 10000312131.

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 not a de Polignac number, because 13121300001 - 2¹³ = 13121291809 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 13121300001.

It is not an unprimeable number, because it can be changed into a prime (13121300051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186883331 + ... + 2186883336.

It is an arithmetic number, because the mean of its divisors is an integer number (4373766668).

Almost surely, 2^13121300001 is an apocalyptic number.

It is an amenable number.

13121300001 is a deficient number, since it is larger than the sum of its proper divisors (4373766671).

13121300001 is an equidigital number, since it uses as much as digits as its factorization.

13121300001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373766670.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 13121300001 its reverse (10000312131), we get a palindrome (23121612132).

The spelling of 13121300001 in words is "thirteen billion, one hundred twenty-one million, three hundred thousand, one".