21324450532130 has 8 divisors (see below), whose sum is σ = 38384010957852. Its totient is φ = 8529780212848.

The previous prime is 21324450532117. The next prime is 21324450532141. The reversal of 21324450532130 is 3123505442312.

It can be written as a sum of positive squares in 2 ways, for example, as 20111520560569 + 1212929971561 = 4484587^2 + 1101331^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066222526597 + ... + 1066222526616.

Almost surely, 2^{21324450532130} is an apocalyptic number.

21324450532130 is a deficient number, since it is larger than the sum of its proper divisors (17059560425722).

21324450532130 is a wasteful number, since it uses less digits than its factorization.

21324450532130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132445053220.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 21324450532130 its reverse (3123505442312), we get a palindrome (24447955974442).

The spelling of 21324450532130 in words is "twenty-one trillion, three hundred twenty-four billion, four hundred fifty million, five hundred thirty-two thousand, one hundred thirty".