12001102032321 has 24 divisors (see below), whose sum is σ = 17628532008776. Its totient is φ = 7865924152320.

The previous prime is 12001102032289. The next prime is 12001102032323. The reversal of 12001102032321 is 12323020110021.

12001102032321 is a `hidden beast` number, since 1 + 200 + 110 + 2 + 0 + 32 + 321 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 247072620096 + 11754029412225 = 497064^2 + 3428415^2 .

It is not a de Polignac number, because 12001102032321 - 2⁵ = 12001102032289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001102032294 and 12001102032303.

It is not an unprimeable number, because it can be changed into a prime (12001102032323) 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 23 ways as a sum of consecutive naturals, for example, 28974100 + ... + 29385381.

Almost surely, 2^{12001102032321} is an apocalyptic number.

It is an amenable number.

12001102032321 is a deficient number, since it is larger than the sum of its proper divisors (5627429976455).

12001102032321 is a wasteful number, since it uses less digits than its factorization.

12001102032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58359873 (or 58359870 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12001102032321 its reverse (12323020110021), we get a palindrome (24324122142342).

The spelling of 12001102032321 in words is "twelve trillion, one billion, one hundred two million, thirty-two thousand, three hundred twenty-one".