2312122442443 has 4 divisors (see below), whose sum is σ = 2522315391768. Its totient is φ = 2101929493120.

The previous prime is 2312122442419. The next prime is 2312122442453. The reversal of 2312122442443 is 3442442212132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2312122442443 - 2⁵ = 2312122442411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312122442399 and 2312122442408.

It is not an unprimeable number, because it can be changed into a prime (2312122442453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105096474646 + ... + 105096474667.

It is an arithmetic number, because the mean of its divisors is an integer number (630578847942).

Almost surely, 2^{2312122442443} is an apocalyptic number.

2312122442443 is a deficient number, since it is larger than the sum of its proper divisors (210192949325).

2312122442443 is a wasteful number, since it uses less digits than its factorization.

2312122442443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210192949324.

The product of its digits is 73728, while the sum is 34.

Adding to 2312122442443 its reverse (3442442212132), we get a palindrome (5754564654575).

The spelling of 2312122442443 in words is "two trillion, three hundred twelve billion, one hundred twenty-two million, four hundred forty-two thousand, four hundred forty-three".