36012021 has 16 divisors (see below), whose sum is σ = 49038528. Its totient is φ = 23500800.

The previous prime is 36012019. The next prime is 36012023. The reversal of 36012021 is 12021063.

It is an interprime number because it is at equal distance from previous prime (36012019) and next prime (36012023).

It is not a de Polignac number, because 36012021 - 2¹ = 36012019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36012023) 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, 55861 + ... + 56501.

It is an arithmetic number, because the mean of its divisors is an integer number (3064908).

Almost surely, 2^36012021 is an apocalyptic number.

It is an amenable number.

36012021 is a deficient number, since it is larger than the sum of its proper divisors (13026507).

36012021 is a wasteful number, since it uses less digits than its factorization.

36012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 36012021 is about 6001.0016663887. The cubic root of 36012021 is about 330.2294730842.

Adding to 36012021 its reverse (12021063), we get a palindrome (48033084).

The spelling of 36012021 in words is "thirty-six million, twelve thousand, twenty-one".