4012021301 has 16 divisors (see below), whose sum is σ = 4323317040. Its totient is φ = 3709255680.

The previous prime is 4012021249. The next prime is 4012021331. The reversal of 4012021301 is 1031202104.

It can be written as a sum of positive squares in 8 ways, for example, as 621754225 + 3390267076 = 24935^2 + 58226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4012021301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012021331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969605 + ... + 973733.

It is an arithmetic number, because the mean of its divisors is an integer number (270207315).

Almost surely, 2^4012021301 is an apocalyptic number.

It is an amenable number.

4012021301 is a deficient number, since it is larger than the sum of its proper divisors (311295739).

4012021301 is a wasteful number, since it uses less digits than its factorization.

4012021301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 4012021301 is about 63340.5186353885. The cubic root of 4012021301 is about 1588.9896804022.

Adding to 4012021301 its reverse (1031202104), we get a palindrome (5043223405).

The spelling of 4012021301 in words is "four billion, twelve million, twenty-one thousand, three hundred one".