312320122201 has 4 divisors (see below), whose sum is σ = 318965231232. Its totient is φ = 305675013172.

The previous prime is 312320122193. The next prime is 312320122253. The reversal of 312320122201 is 102221023213.

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 312320122201 - 2³ = 312320122193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312320122271) 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 3 ways as a sum of consecutive naturals, for example, 3322554445 + ... + 3322554538.

It is an arithmetic number, because the mean of its divisors is an integer number (79741307808).

Almost surely, 2^312320122201 is an apocalyptic number.

It is an amenable number.

312320122201 is a deficient number, since it is larger than the sum of its proper divisors (6645109031).

312320122201 is an equidigital number, since it uses as much as digits as its factorization.

312320122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6645109030.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312320122201 its reverse (102221023213), we get a palindrome (414541145414).

The spelling of 312320122201 in words is "three hundred twelve billion, three hundred twenty million, one hundred twenty-two thousand, two hundred one".