12020004212321 has 8 divisors (see below), whose sum is σ = 14545215181440. Its totient is φ = 9696810120768.

The previous prime is 12020004212311. The next prime is 12020004212323. The reversal of 12020004212321 is 12321240002021.

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

It is a cyclic number.

It is not a de Polignac number, because 12020004212321 - 2⁶ = 12020004212257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020004212293 and 12020004212302.

It is not an unprimeable number, because it can be changed into a prime (12020004212323) 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, 50504219261 + ... + 50504219498.

It is an arithmetic number, because the mean of its divisors is an integer number (1818151897680).

Almost surely, 2^{12020004212321} is an apocalyptic number.

It is an amenable number.

12020004212321 is a deficient number, since it is larger than the sum of its proper divisors (2525210969119).

12020004212321 is a wasteful number, since it uses less digits than its factorization.

12020004212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101008438783.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12020004212321 its reverse (12321240002021), we get a palindrome (24341244214342).

The spelling of 12020004212321 in words is "twelve trillion, twenty billion, four million, two hundred twelve thousand, three hundred twenty-one".