12321403010121 has 8 divisors (see below), whose sum is σ = 16430611950720. Its totient is φ = 8213231371472.

The previous prime is 12321403010101. The next prime is 12321403010153. The reversal of 12321403010121 is 12101030412321.

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 12321403010121 - 2⁹ = 12321403009609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12321403010101) 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, 259297770 + ... + 259345283.

It is an arithmetic number, because the mean of its divisors is an integer number (2053826493840).

Almost surely, 2^{12321403010121} is an apocalyptic number.

It is an amenable number.

12321403010121 is a deficient number, since it is larger than the sum of its proper divisors (4109208940599).

12321403010121 is an equidigital number, since it uses as much as digits as its factorization.

12321403010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518650975.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12321403010121 its reverse (12101030412321), we get a palindrome (24422433422442).

The spelling of 12321403010121 in words is "twelve trillion, three hundred twenty-one billion, four hundred three million, ten thousand, one hundred twenty-one".