121312032210321 has 8 divisors (see below), whose sum is σ = 163566785003040. Its totient is φ = 79965983778912.

The previous prime is 121312032210289. The next prime is 121312032210379. The reversal of 121312032210321 is 123012230213121.

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

It is not a de Polignac number, because 121312032210321 - 2⁵ = 121312032210289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121312032210291 and 121312032210300.

It is not an unprimeable number, because it can be changed into a prime (121312032210521) 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, 227176090015 + ... + 227176090548.

It is an arithmetic number, because the mean of its divisors is an integer number (20445848125380).

Almost surely, 2^{121312032210321} is an apocalyptic number.

It is an amenable number.

121312032210321 is a deficient number, since it is larger than the sum of its proper divisors (42254752792719).

121312032210321 is an equidigital number, since it uses as much as digits as its factorization.

121312032210321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454352180655.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 121312032210321 its reverse (123012230213121), we get a palindrome (244324262423442).

The spelling of 121312032210321 in words is "one hundred twenty-one trillion, three hundred twelve billion, thirty-two million, two hundred ten thousand, three hundred twenty-one".