21232120230322 has 16 divisors (see below), whose sum is σ = 33046147575000. Its totient is φ = 10222653593088.

The previous prime is 21232120230317. The next prime is 21232120230353. The reversal of 21232120230322 is 22303202123212.

It can be written as a sum of positive squares in 4 ways, for example, as 21093527087361 + 138593142961 = 4592769^2 + 372281^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1478964697 + ... + 1478979052.

Almost surely, 2^{21232120230322} is an apocalyptic number.

21232120230322 is a deficient number, since it is larger than the sum of its proper divisors (11814027344678).

21232120230322 is a wasteful number, since it uses less digits than its factorization.

21232120230322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957943885.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21232120230322 its reverse (22303202123212), we get a palindrome (43535322353534).

The spelling of 21232120230322 in words is "twenty-one trillion, two hundred thirty-two billion, one hundred twenty million, two hundred thirty thousand, three hundred twenty-two".