4120201230421 has 8 divisors (see below), whose sum is σ = 4213095912504. Its totient is φ = 4027867846080.

The previous prime is 4120201230401. The next prime is 4120201230427. The reversal of 4120201230421 is 1240321020214.

It can be written as a sum of positive squares in 4 ways, for example, as 831672865521 + 3288528364900 = 911961^2 + 1813430^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4120201230421 - 2²³ = 4120192841813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4120201230392 and 4120201230401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120201230427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140309590 + ... + 140338951.

It is an arithmetic number, because the mean of its divisors is an integer number (526636989063).

Almost surely, 2^{4120201230421} is an apocalyptic number.

It is an amenable number.

4120201230421 is a deficient number, since it is larger than the sum of its proper divisors (92894682083).

4120201230421 is a wasteful number, since it uses less digits than its factorization.

4120201230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280648871.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 4120201230421 its reverse (1240321020214), we get a palindrome (5360522250635).

The spelling of 4120201230421 in words is "four trillion, one hundred twenty billion, two hundred one million, two hundred thirty thousand, four hundred twenty-one".