312242301121 has 4 divisors (see below), whose sum is σ = 319857967044. Its totient is φ = 304626635200.

The previous prime is 312242301097. The next prime is 312242301131. The reversal of 312242301121 is 121103242213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121103242213 = 3041 ⋅39823493.

It can be written as a sum of positive squares in 2 ways, for example, as 29872282896 + 282370018225 = 172836^2 + 531385^2 .

It is a cyclic number.

It is not a de Polignac number, because 312242301121 - 2²³ = 312233912513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312242301092 and 312242301101.

It is not an unprimeable number, because it can be changed into a prime (312242301131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3807832900 + ... + 3807832981.

It is an arithmetic number, because the mean of its divisors is an integer number (79964491761).

Almost surely, 2^312242301121 is an apocalyptic number.

It is an amenable number.

312242301121 is a deficient number, since it is larger than the sum of its proper divisors (7615665923).

312242301121 is an equidigital number, since it uses as much as digits as its factorization.

312242301121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615665922.

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

Adding to 312242301121 its reverse (121103242213), we get a palindrome (433345543334).

The spelling of 312242301121 in words is "three hundred twelve billion, two hundred forty-two million, three hundred one thousand, one hundred twenty-one".