121321210000321 has 8 divisors (see below), whose sum is σ = 123200878744800. Its totient is φ = 119443567856448.

The previous prime is 121321210000271. The next prime is 121321210000349. The reversal of 121321210000321 is 123000012123121.

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 121321210000321 - 2¹¹ = 121321209998273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121321210000021) 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, 506529496 + ... + 506768953.

It is an arithmetic number, because the mean of its divisors is an integer number (15400109843100).

Almost surely, 2^{121321210000321} is an apocalyptic number.

It is an amenable number.

121321210000321 is a deficient number, since it is larger than the sum of its proper divisors (1879668744479).

121321210000321 is a wasteful number, since it uses less digits than its factorization.

121321210000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013300303.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121321210000321 its reverse (123000012123121), we get a palindrome (244321222123442).

The spelling of 121321210000321 in words is "one hundred twenty-one trillion, three hundred twenty-one billion, two hundred ten million, three hundred twenty-one", and thus it is an aban number.