4120212401 has 4 divisors (see below), whose sum is σ = 4135087092. Its totient is φ = 4105337712.

The previous prime is 4120212389. The next prime is 4120212419. The reversal of 4120212401 is 1042120214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1042120214 = 2 ⋅521060107.

It can be written as a sum of positive squares in 2 ways, for example, as 2428124176 + 1692088225 = 49276^2 + 41135^2 .

It is a cyclic number.

It is not a de Polignac number, because 4120212401 - 2⁶ = 4120212337 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 4120212401.

It is not an unprimeable number, because it can be changed into a prime (4120212601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7436930 + ... + 7437483.

It is an arithmetic number, because the mean of its divisors is an integer number (1033771773).

Almost surely, 2^4120212401 is an apocalyptic number.

It is an amenable number.

4120212401 is a deficient number, since it is larger than the sum of its proper divisors (14874691).

4120212401 is a wasteful number, since it uses less digits than its factorization.

4120212401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14874690.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4120212401 is about 64188.8806648005. The cubic root of 4120212401 is about 1603.1464646742.

Adding to 4120212401 its reverse (1042120214), we get a palindrome (5162332615).

The spelling of 4120212401 in words is "four billion, one hundred twenty million, two hundred twelve thousand, four hundred one".