12312230122201 has 4 divisors (see below), whose sum is σ = 12376024060852. Its totient is φ = 12248436183552.

The previous prime is 12312230122193. The next prime is 12312230122211. The reversal of 12312230122201 is 10222103221321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8097211713600 + 4215018408601 = 2845560^2 + 2053051^2 .

It is a cyclic number.

It is not a de Polignac number, because 12312230122201 - 2³ = 12312230122193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12312230122211) 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, 31896969036 + ... + 31896969421.

It is an arithmetic number, because the mean of its divisors is an integer number (3094006015213).

Almost surely, 2^{12312230122201} is an apocalyptic number.

It is an amenable number.

12312230122201 is a deficient number, since it is larger than the sum of its proper divisors (63793938651).

12312230122201 is an equidigital number, since it uses as much as digits as its factorization.

12312230122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63793938650.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12312230122201 its reverse (10222103221321), we get a palindrome (22534333343522).

The spelling of 12312230122201 in words is "twelve trillion, three hundred twelve billion, two hundred thirty million, one hundred twenty-two thousand, two hundred one".