312124216411 has 4 divisors (see below), whose sum is σ = 356713390192. Its totient is φ = 267535042632.

The previous prime is 312124216399. The next prime is 312124216423. The reversal of 312124216411 is 114612421213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114612421213 = 4889 ⋅23442917.

It is an interprime number because it is at equal distance from previous prime (312124216399) and next prime (312124216423).

It is a cyclic number.

It is not a de Polignac number, because 312124216411 - 2²⁹ = 311587345499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312124216411.

It is not an unprimeable number, because it can be changed into a prime (312124216211) 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, 22294586880 + ... + 22294586893.

It is an arithmetic number, because the mean of its divisors is an integer number (89178347548).

Almost surely, 2^312124216411 is an apocalyptic number.

312124216411 is the 322555-th hex number.

312124216411 is a deficient number, since it is larger than the sum of its proper divisors (44589173781).

312124216411 is an equidigital number, since it uses as much as digits as its factorization.

312124216411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44589173780.

The product of its digits is 2304, while the sum is 28.

Adding to 312124216411 its reverse (114612421213), we get a palindrome (426736637624).

The spelling of 312124216411 in words is "three hundred twelve billion, one hundred twenty-four million, two hundred sixteen thousand, four hundred eleven".