121302323203121 has 8 divisors (see below), whose sum is σ = 124511587725288. Its totient is φ = 118132436160000.

The previous prime is 121302323203099. The next prime is 121302323203129.

121302323203121 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 43301190372496 + 78001132830625 = 6580364^2 + 8831825^2 .

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 121302323203121 - 2¹⁰ = 121302323202097 is a prime.

It is a super-2 number, since 2×121302323203121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121302323203129) 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, 9844363520 + ... + 9844375841.

It is an arithmetic number, because the mean of its divisors is an integer number (15563948465661).

Almost surely, 2^{121302323203121} is an apocalyptic number.

It is an amenable number.

121302323203121 is a deficient number, since it is larger than the sum of its proper divisors (3209264522167).

121302323203121 is a wasteful number, since it uses less digits than its factorization.

121302323203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19688739523.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 121302323203121 in words is "one hundred twenty-one trillion, three hundred two billion, three hundred twenty-three million, two hundred three thousand, one hundred twenty-one".