4321243122312 has 128 divisors (see below), whose sum is σ = 11266322659200. Its totient is φ = 1379495964672.

The previous prime is 4321243122281. The next prime is 4321243122323. The reversal of 4321243122312 is 2132213421234.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 4321243122312.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52095223 + ... + 52178105.

It is an arithmetic number, because the mean of its divisors is an integer number (88018145775).

Almost surely, 2^{4321243122312} 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 4321243122312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5633161329600).

4321243122312 is an abundant number, since it is smaller than the sum of its proper divisors (6945079536888).

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

4321243122312 is a wasteful number, since it uses less digits than its factorization.

4321243122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83527 (or 83523 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 4321243122312 its reverse (2132213421234), we get a palindrome (6453456543546).

The spelling of 4321243122312 in words is "four trillion, three hundred twenty-one billion, two hundred forty-three million, one hundred twenty-two thousand, three hundred twelve".