12320333212121 has 4 divisors (see below), whose sum is σ = 13440363504144. Its totient is φ = 11200302920100.

The previous prime is 12320333212111. The next prime is 12320333212129. The reversal of 12320333212121 is 12121233302321.

12320333212121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12320333212121 is a prime.

It is a super-3 number, since 3×12320333212121³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320333212129) 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, 560015145995 + ... + 560015146016.

It is an arithmetic number, because the mean of its divisors is an integer number (3360090876036).

Almost surely, 2^{12320333212121} is an apocalyptic number.

12320333212121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12320333212121 is a deficient number, since it is larger than the sum of its proper divisors (1120030292023).

12320333212121 is a wasteful number, since it uses less digits than its factorization.

12320333212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120030292022.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12320333212121 its reverse (12121233302321), we get a palindrome (24441566514442).

The spelling of 12320333212121 in words is "twelve trillion, three hundred twenty billion, three hundred thirty-three million, two hundred twelve thousand, one hundred twenty-one".