12021042002321 has 8 divisors (see below), whose sum is σ = 13120888054944. Its totient is φ = 10922366625120.

The previous prime is 12021042002279. The next prime is 12021042002339. The reversal of 12021042002321 is 12320024012021.

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 12021042002321 - 2³⁰ = 12019968260497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021042002293 and 12021042002302.

It is not an unprimeable number, because it can be changed into a prime (12021042002341) 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, 292647380 + ... + 292688453.

It is an arithmetic number, because the mean of its divisors is an integer number (1640111006868).

Almost surely, 2^{12021042002321} is an apocalyptic number.

12021042002321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12021042002321 is a deficient number, since it is larger than the sum of its proper divisors (1099846052623).

12021042002321 is a wasteful number, since it uses less digits than its factorization.

12021042002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585337711.

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

Adding to 12021042002321 its reverse (12320024012021), we get a palindrome (24341066014342).

The spelling of 12021042002321 in words is "twelve trillion, twenty-one billion, forty-two million, two thousand, three hundred twenty-one".