326326420121 has 4 divisors (see below), whose sum is σ = 351428452452. Its totient is φ = 301224387792.

The previous prime is 326326420099. The next prime is 326326420159. The reversal of 326326420121 is 121024623623.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139819905625 + 186506514496 = 373925^2 + 431864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326326420121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326326420171) 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, 12551016146 + ... + 12551016171.

It is an arithmetic number, because the mean of its divisors is an integer number (87857113113).

Almost surely, 2^326326420121 is an apocalyptic number.

It is an amenable number.

326326420121 is a deficient number, since it is larger than the sum of its proper divisors (25102032331).

326326420121 is a wasteful number, since it uses less digits than its factorization.

326326420121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25102032330.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 326326420121 in words is "three hundred twenty-six billion, three hundred twenty-six million, four hundred twenty thousand, one hundred twenty-one".