312244122344 has 128 divisors (see below), whose sum is σ = 780935731200. Its totient is φ = 113361120000.

The previous prime is 312244122343. The next prime is 312244122383. The reversal of 312244122344 is 443221442213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 312244122344.

It is not an unprimeable number, because it can be changed into a prime (312244122343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 495269 + ... + 932619.

It is an arithmetic number, because the mean of its divisors is an integer number (6101060400).

Almost surely, 2^312244122344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312244122344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390467865600).

312244122344 is an abundant number, since it is smaller than the sum of its proper divisors (468691608856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312244122344 is a wasteful number, since it uses less digits than its factorization.

312244122344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437455 (or 437451 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 312244122344 its reverse (443221442213), we get a palindrome (755465564557).

The spelling of 312244122344 in words is "three hundred twelve billion, two hundred forty-four million, one hundred twenty-two thousand, three hundred forty-four".