12001231012321 has 8 divisors (see below), whose sum is σ = 12415119073920. Its totient is φ = 11587346451408.

The previous prime is 12001231012301. The next prime is 12001231012411. The reversal of 12001231012321 is 12321013210021.

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 12001231012321 - 2³⁵ = 11966871273953 is a prime.

It is a super-2 number, since 2×12001231012321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001231012301) 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, 7438150 + ... + 8906656.

It is an arithmetic number, because the mean of its divisors is an integer number (1551889884240).

Almost surely, 2^{12001231012321} is an apocalyptic number.

It is an amenable number.

12001231012321 is a deficient number, since it is larger than the sum of its proper divisors (413888061599).

12001231012321 is a wasteful number, since it uses less digits than its factorization.

12001231012321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750343.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12001231012321 its reverse (12321013210021), we get a palindrome (24322244222342).

The spelling of 12001231012321 in words is "twelve trillion, one billion, two hundred thirty-one million, twelve thousand, three hundred twenty-one".