4312444020121 has 4 divisors (see below), whose sum is σ = 4350607241652. Its totient is φ = 4274280798592.

The previous prime is 4312444020109. The next prime is 4312444020179. The reversal of 4312444020121 is 1210204442134.

4312444020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 522273609225 + 3790170410896 = 722685^2 + 1946836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4312444020121 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 4312444020121.

It is not an unprimeable number, because it can be changed into a prime (4312444020421) 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, 19081610596 + ... + 19081610821.

It is an arithmetic number, because the mean of its divisors is an integer number (1087651810413).

Almost surely, 2^{4312444020121} is an apocalyptic number.

It is an amenable number.

4312444020121 is a deficient number, since it is larger than the sum of its proper divisors (38163221531).

4312444020121 is a wasteful number, since it uses less digits than its factorization.

4312444020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38163221530.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 4312444020121 its reverse (1210204442134), we get a palindrome (5522648462255).

The spelling of 4312444020121 in words is "four trillion, three hundred twelve billion, four hundred forty-four million, twenty thousand, one hundred twenty-one".