13221302212009 has 4 divisors (see below), whose sum is σ = 13221387322704. Its totient is φ = 13221217101316.

The previous prime is 13221302211979. The next prime is 13221302212031. The reversal of 13221302212009 is 90021220312231.

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 not a de Polignac number, because 13221302212009 - 2³³ = 13212712277417 is a prime.

It is a super-3 number, since 3×13221302212009³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13221302212309) 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, 42321907 + ... + 42633160.

It is an arithmetic number, because the mean of its divisors is an integer number (3305346830676).

Almost surely, 2^{13221302212009} is an apocalyptic number.

It is an amenable number.

13221302212009 is a deficient number, since it is larger than the sum of its proper divisors (85110695).

13221302212009 is an equidigital number, since it uses as much as digits as its factorization.

13221302212009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85110694.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 13221302212009 in words is "thirteen trillion, two hundred twenty-one billion, three hundred two million, two hundred twelve thousand, nine".