4312243100020 has 12 divisors (see below), whose sum is σ = 9055710510084. Its totient is φ = 1724897240000.

The previous prime is 4312243100003. The next prime is 4312243100023. The reversal of 4312243100020 is 200013422134.

It can be written as a sum of positive squares in 2 ways, for example, as 3173143694224 + 1139099405796 = 1781332^2 + 1067286^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4312243099964 and 4312243100000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312243100023) 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, 107806077481 + ... + 107806077520.

It is an arithmetic number, because the mean of its divisors is an integer number (754642542507).

Almost surely, 2^{4312243100020} is an apocalyptic number.

It is an amenable number.

4312243100020 is an abundant number, since it is smaller than the sum of its proper divisors (4743467410064).

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

4312243100020 is a wasteful number, since it uses less digits than its factorization.

4312243100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215612155010 (or 215612155008 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 4312243100020 its reverse (200013422134), we get a palindrome (4512256522154).

The spelling of 4312243100020 in words is "four trillion, three hundred twelve billion, two hundred forty-three million, one hundred thousand, twenty".