13212205613 has 8 divisors (see below), whose sum is σ = 13860305280. Its totient is φ = 12576939760.

The previous prime is 13212205553. The next prime is 13212205619. The reversal of 13212205613 is 31650221231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13212205613 - 2¹⁸ = 13211943469 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 (13212205619) 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 7 ways as a sum of consecutive naturals, for example, 3206345 + ... + 3210462.

It is an arithmetic number, because the mean of its divisors is an integer number (1732538160).

Almost surely, 2^13212205613 is an apocalyptic number.

It is an amenable number.

13212205613 is a deficient number, since it is larger than the sum of its proper divisors (648099667).

13212205613 is an equidigital number, since it uses as much as digits as its factorization.

13212205613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416907.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 13212205613 its reverse (31650221231), we get a palindrome (44862426844).

The spelling of 13212205613 in words is "thirteen billion, two hundred twelve million, two hundred five thousand, six hundred thirteen".