452121328132 has 24 divisors (see below), whose sum is σ = 816814720512. Its totient is φ = 218747112000.

The previous prime is 452121328073. The next prime is 452121328133. The reversal of 452121328132 is 231823121254.

It is a super-2 number, since 2×452121328132² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (452121328133) 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 7 ways as a sum of consecutive naturals, for example, 1142553 + ... + 1486495.

It is an arithmetic number, because the mean of its divisors is an integer number (34033946688).

Almost surely, 2^452121328132 is an apocalyptic number.

It is an amenable number.

452121328132 is a deficient number, since it is larger than the sum of its proper divisors (364693392380).

452121328132 is a wasteful number, since it uses less digits than its factorization.

452121328132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354579 (or 354577 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

Adding to 452121328132 its reverse (231823121254), we get a palindrome (683944449386).

The spelling of 452121328132 in words is "four hundred fifty-two billion, one hundred twenty-one million, three hundred twenty-eight thousand, one hundred thirty-two".