365012021 has 16 divisors (see below), whose sum is σ = 421512000. Its totient is φ = 312595200.

The previous prime is 365012017. The next prime is 365012023. The reversal of 365012021 is 120210563.

It is a cyclic number.

It is not a de Polignac number, because 365012021 - 2² = 365012017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 365011984 and 365012002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (365012023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33005 + ... + 42653.

It is an arithmetic number, because the mean of its divisors is an integer number (26344500).

Almost surely, 2^365012021 is an apocalyptic number.

It is an amenable number.

365012021 is a deficient number, since it is larger than the sum of its proper divisors (56499979).

365012021 is a wasteful number, since it uses less digits than its factorization.

365012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9860.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 365012021 is about 19105.2877759012. The cubic root of 365012021 is about 714.6647953581.

Adding to 365012021 its reverse (120210563), we get a palindrome (485222584).

The spelling of 365012021 in words is "three hundred sixty-five million, twelve thousand, twenty-one".