42043120001 has 4 divisors (see below), whose sum is σ = 42053396052. Its totient is φ = 42032843952.

The previous prime is 42043119967. The next prime is 42043120013. The reversal of 42043120001 is 10002134024.

42043120001 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 7387574401 + 34655545600 = 85951^2 + 186160^2 .

It is a cyclic number.

It is not a de Polignac number, because 42043120001 - 2¹⁴ = 42043103617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42043120061) 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, 5131886 + ... + 5140071.

It is an arithmetic number, because the mean of its divisors is an integer number (10513349013).

Almost surely, 2^42043120001 is an apocalyptic number.

It is an amenable number.

42043120001 is a deficient number, since it is larger than the sum of its proper divisors (10276051).

42043120001 is a wasteful number, since it uses less digits than its factorization.

42043120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10276050.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 42043120001 its reverse (10002134024), we get a palindrome (52045254025).

The spelling of 42043120001 in words is "forty-two billion, forty-three million, one hundred twenty thousand, one".