412234021 has 4 divisors (see below), whose sum is σ = 412956544. Its totient is φ = 411511500.

The previous prime is 412233971. The next prime is 412234033. The reversal of 412234021 is 120432214.

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 412234021 - 2¹¹ = 412231973 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 412234021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412234721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360405 + ... + 361546.

It is an arithmetic number, because the mean of its divisors is an integer number (103239136).

Almost surely, 2^412234021 is an apocalyptic number.

It is an amenable number.

412234021 is a deficient number, since it is larger than the sum of its proper divisors (722523).

412234021 is an equidigital number, since it uses as much as digits as its factorization.

412234021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722522.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 412234021 is about 20303.5470053880. The cubic root of 412234021 is about 744.2427457076.

Adding to 412234021 its reverse (120432214), we get a palindrome (532666235).

The spelling of 412234021 in words is "four hundred twelve million, two hundred thirty-four thousand, twenty-one".