326403215121 has 8 divisors (see below), whose sum is σ = 435222693184. Its totient is φ = 217592940240.

The previous prime is 326403215113. The next prime is 326403215167. The reversal of 326403215121 is 121512304623.

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

It is not a de Polignac number, because 326403215121 - 2³ = 326403215113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326403215521) 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, 2217610 + ... + 2360211.

It is an arithmetic number, because the mean of its divisors is an integer number (54402836648).

Almost surely, 2^326403215121 is an apocalyptic number.

It is an amenable number.

326403215121 is a deficient number, since it is larger than the sum of its proper divisors (108819478063).

326403215121 is a wasteful number, since it uses less digits than its factorization.

326403215121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601591.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 326403215121 its reverse (121512304623), we get a palindrome (447915519744).

The spelling of 326403215121 in words is "three hundred twenty-six billion, four hundred three million, two hundred fifteen thousand, one hundred twenty-one".