212000121121321 has 8 divisors (see below), whose sum is σ = 232050573939464. Its totient is φ = 192484347045120.

The previous prime is 212000121121189. The next prime is 212000121121361. The reversal of 212000121121321 is 123121121000212.

It can be written as a sum of positive squares in 4 ways, for example, as 12110149441296 + 199889971680025 = 3479964^2 + 14138245^2 .

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

It is not a de Polignac number, because 212000121121321 - 2³⁷ = 211862682167849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212000121121361) 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, 133669684656 + ... + 133669686241.

It is an arithmetic number, because the mean of its divisors is an integer number (29006321742433).

Almost surely, 2^{212000121121321} is an apocalyptic number.

It is an amenable number.

212000121121321 is a deficient number, since it is larger than the sum of its proper divisors (20050452818143).

212000121121321 is a wasteful number, since it uses less digits than its factorization.

212000121121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267339370971.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 212000121121321 its reverse (123121121000212), we get a palindrome (335121242121533).

The spelling of 212000121121321 in words is "two hundred twelve trillion, one hundred twenty-one million, one hundred twenty-one thousand, three hundred twenty-one".