12001023231233 has 8 divisors (see below), whose sum is σ = 12113302481280. Its totient is φ = 11888746206480.

The previous prime is 12001023231163. The next prime is 12001023231343. The reversal of 12001023231233 is 33213232010021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001023231233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001023231199 and 12001023231208.

It is not an unprimeable number, because it can be changed into a prime (12001023233233) 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, 11495663 + ... + 12496091.

It is an arithmetic number, because the mean of its divisors is an integer number (1514162810160).

Almost surely, 2^{12001023231233} is an apocalyptic number.

It is an amenable number.

12001023231233 is a deficient number, since it is larger than the sum of its proper divisors (112279250047).

12001023231233 is a wasteful number, since it uses less digits than its factorization.

12001023231233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112647.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12001023231233 its reverse (33213232010021), we get a palindrome (45214255241254).

The spelling of 12001023231233 in words is "twelve trillion, one billion, twenty-three million, two hundred thirty-one thousand, two hundred thirty-three".