12321201301231 has 8 divisors (see below), whose sum is σ = 12335364240464. Its totient is φ = 12307039637760.

The previous prime is 12321201301229. The next prime is 12321201301243. The reversal of 12321201301231 is 13210310212321.

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 12321201301231 - 2¹ = 12321201301229 is a prime.

It is a super-2 number, since 2×12321201301231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321201301291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19730911 + ... + 20345791.

It is an arithmetic number, because the mean of its divisors is an integer number (1541920530058).

Almost surely, 2^{12321201301231} is an apocalyptic number.

12321201301231 is a deficient number, since it is larger than the sum of its proper divisors (14162939233).

12321201301231 is an equidigital number, since it uses as much as digits as its factorization.

12321201301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637881.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12321201301231 its reverse (13210310212321), we get a palindrome (25531511513552).

The spelling of 12321201301231 in words is "twelve trillion, three hundred twenty-one billion, two hundred one million, three hundred one thousand, two hundred thirty-one".