312245011201 has 4 divisors (see below), whose sum is σ = 312521580100. Its totient is φ = 311968442304.

The previous prime is 312245011187. The next prime is 312245011213. The reversal of 312245011201 is 102110542213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102110542213 = 4519 ⋅22595827.

It can be written as a sum of positive squares in 2 ways, for example, as 93010360576 + 219234650625 = 304976^2 + 468225^2 .

It is a cyclic number.

It is not a de Polignac number, because 312245011201 - 2³⁷ = 174806057729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312245011901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138282756 + ... + 138285013.

It is an arithmetic number, because the mean of its divisors is an integer number (78130395025).

Almost surely, 2^312245011201 is an apocalyptic number.

It is an amenable number.

312245011201 is a deficient number, since it is larger than the sum of its proper divisors (276568899).

312245011201 is a wasteful number, since it uses less digits than its factorization.

312245011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276568898.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 312245011201 its reverse (102110542213), we get a palindrome (414355553414).

The spelling of 312245011201 in words is "three hundred twelve billion, two hundred forty-five million, eleven thousand, two hundred one".