452134120215221 has 16 divisors (see below), whose sum is σ = 454618137600000. Its totient is φ = 449658326675376.

The previous prime is 452134120215209. The next prime is 452134120215229. The reversal of 452134120215221 is 122512021431254.

It is a cyclic number.

It is not a de Polignac number, because 452134120215221 - 2¹⁰ = 452134120214197 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 (452134120215229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238508480 + ... + 240396678.

It is an arithmetic number, because the mean of its divisors is an integer number (28413633600000).

Almost surely, 2^{452134120215221} is an apocalyptic number.

It is an amenable number.

452134120215221 is a deficient number, since it is larger than the sum of its proper divisors (2484017384779).

452134120215221 is a wasteful number, since it uses less digits than its factorization.

452134120215221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890376.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 452134120215221 its reverse (122512021431254), we get a palindrome (574646141646475).

The spelling of 452134120215221 in words is "four hundred fifty-two trillion, one hundred thirty-four billion, one hundred twenty million, two hundred fifteen thousand, two hundred twenty-one".