13211100421213 has 8 divisors (see below), whose sum is σ = 14329400170680. Its totient is φ = 12130709137920.

The previous prime is 13211100421193. The next prime is 13211100421243. The reversal of 13211100421213 is 31212400111231.

It can be written as a sum of positive squares in 4 ways, for example, as 3194805909604 + 10016294511609 = 1787402^2 + 3164853^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-13211100421213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211100421243) 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 7 ways as a sum of consecutive naturals, for example, 9477115818 + ... + 9477117211.

It is an arithmetic number, because the mean of its divisors is an integer number (1791175021335).

Almost surely, 2^{13211100421213} is an apocalyptic number.

It is an amenable number.

13211100421213 is a deficient number, since it is larger than the sum of its proper divisors (1118299749467).

13211100421213 is a wasteful number, since it uses less digits than its factorization.

13211100421213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18954233087.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 13211100421213 its reverse (31212400111231), we get a palindrome (44423500532444).

The spelling of 13211100421213 in words is "thirteen trillion, two hundred eleven billion, one hundred million, four hundred twenty-one thousand, two hundred thirteen".