4120420054217 has 4 divisors (see below), whose sum is σ = 4127952815376. Its totient is φ = 4112887293060.

The previous prime is 4120420054189. The next prime is 4120420054237. The reversal of 4120420054217 is 7124500240214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4120420054217 - 2¹⁰ = 4120420053193 is a prime.

It is a super-2 number, since 2×4120420054217² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4120420054237) 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, 3766379759 + ... + 3766380852.

It is an arithmetic number, because the mean of its divisors is an integer number (1031988203844).

Almost surely, 2^{4120420054217} is an apocalyptic number.

It is an amenable number.

4120420054217 is a deficient number, since it is larger than the sum of its proper divisors (7532761159).

4120420054217 is an equidigital number, since it uses as much as digits as its factorization.

4120420054217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7532761158.

The product of its (nonzero) digits is 17920, while the sum is 32.

The spelling of 4120420054217 in words is "four trillion, one hundred twenty billion, four hundred twenty million, fifty-four thousand, two hundred seventeen".