12201000321 has 8 divisors (see below), whose sum is σ = 16828966080. Its totient is φ = 7853517392.

The previous prime is 12201000257. The next prime is 12201000349. The reversal of 12201000321 is 12300010221.

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 12201000321 - 2⁶ = 12201000257 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12201000297 and 12201000306.

It is not an unprimeable number, because it can be changed into a prime (12201001321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70120605 + ... + 70120778.

It is an arithmetic number, because the mean of its divisors is an integer number (2103620760).

Almost surely, 2^12201000321 is an apocalyptic number.

It is an amenable number.

12201000321 is a deficient number, since it is larger than the sum of its proper divisors (4627965759).

12201000321 is a wasteful number, since it uses less digits than its factorization.

12201000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140241415.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12201000321 its reverse (12300010221), we get a palindrome (24501010542).

The spelling of 12201000321 in words is "twelve billion, two hundred one million, three hundred twenty-one", and thus it is an aban number.