12321001201 has 4 divisors (see below), whose sum is σ = 12323310832. Its totient is φ = 12318691572.

The previous prime is 12321001183. The next prime is 12321001279. The reversal of 12321001201 is 10210012321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12321001201 - 2¹⁷ = 12320870129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321007201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146795 + ... + 1157488.

It is an arithmetic number, because the mean of its divisors is an integer number (3080827708).

Almost surely, 2^12321001201 is an apocalyptic number.

It is an amenable number.

12321001201 is a deficient number, since it is larger than the sum of its proper divisors (2309631).

12321001201 is an equidigital number, since it uses as much as digits as its factorization.

12321001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309630.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12321001201 its reverse (10210012321), we get a palindrome (22531013522).

The spelling of 12321001201 in words is "twelve billion, three hundred twenty-one million, one thousand, two hundred one".