21302012122322 has 8 divisors (see below), whose sum is σ = 32045101810416. Its totient is φ = 10620311518852.

The previous prime is 21302012122309. The next prime is 21302012122327. The reversal of 21302012122322 is 22322121020312.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (21302012122327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15347270288 + ... + 15347271675.

It is an arithmetic number, because the mean of its divisors is an integer number (4005637726302).

Almost surely, 2^{21302012122322} is an apocalyptic number.

21302012122322 is a deficient number, since it is larger than the sum of its proper divisors (10743089688094).

21302012122322 is a wasteful number, since it uses less digits than its factorization.

21302012122322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30694542312.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21302012122322 its reverse (22322121020312), we get a palindrome (43624133142634).

The spelling of 21302012122322 in words is "twenty-one trillion, three hundred two billion, twelve million, one hundred twenty-two thousand, three hundred twenty-two".