452121320500001 has 8 divisors (see below), whose sum is σ = 469400200801320. Its totient is φ = 434955006194688.

The previous prime is 452121320499971. The next prime is 452121320500007. The reversal of 452121320500001 is 100005023121254.

It can be written as a sum of positive squares in 4 ways, for example, as 14840985760000 + 437280334740001 = 3852400^2 + 20911249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 452121320500001 - 2¹⁸ = 452121320237857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452121320500007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28141490816 + ... + 28141506881.

It is an arithmetic number, because the mean of its divisors is an integer number (58675025100165).

Almost surely, 2^{452121320500001} is an apocalyptic number.

It is an amenable number.

452121320500001 is a deficient number, since it is larger than the sum of its proper divisors (17278880301319).

452121320500001 is a wasteful number, since it uses less digits than its factorization.

452121320500001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56282998003.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 452121320500001 its reverse (100005023121254), we get a palindrome (552126343621255).

The spelling of 452121320500001 in words is "four hundred fifty-two trillion, one hundred twenty-one billion, three hundred twenty million, five hundred thousand, one".