12302012323121 has 6 divisors (see below), whose sum is σ = 13068227623830. Its totient is φ = 11578364539136.

The previous prime is 12302012323099. The next prime is 12302012323157. The reversal of 12302012323121 is 12132321020321.

It can be written as a sum of positive squares in 3 ways, for example, as 1647898527025 + 10654113796096 = 1283705^2 + 3264064^2 .

It is not a de Polignac number, because 12302012323121 - 2⁶ = 12302012323057 is a prime.

It is a super-2 number, since 2×12302012323121² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12302012323721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21283758056 + ... + 21283758633.

It is an arithmetic number, because the mean of its divisors is an integer number (2178037937305).

Almost surely, 2^{12302012323121} is an apocalyptic number.

It is an amenable number.

12302012323121 is a deficient number, since it is larger than the sum of its proper divisors (766215300709).

12302012323121 is an equidigital number, since it uses as much as digits as its factorization.

12302012323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42567516723 (or 42567516706 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12302012323121 its reverse (12132321020321), we get a palindrome (24434333343442).

The spelling of 12302012323121 in words is "twelve trillion, three hundred two billion, twelve million, three hundred twenty-three thousand, one hundred twenty-one".