12001231213233 has 64 divisors (see below), whose sum is σ = 17567600682240. Its totient is φ = 7253759213568.

The previous prime is 12001231213229. The next prime is 12001231213241. The reversal of 12001231213233 is 33231213210021.

It is not a de Polignac number, because 12001231213233 - 2² = 12001231213229 is a prime.

It is a super-2 number, since 2×12001231213233² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12001231213253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2808617385 + ... + 2808621657.

It is an arithmetic number, because the mean of its divisors is an integer number (274493760660).

Almost surely, 2^{12001231213233} is an apocalyptic number.

It is an amenable number.

12001231213233 is a deficient number, since it is larger than the sum of its proper divisors (5566369469007).

12001231213233 is a wasteful number, since it uses less digits than its factorization.

12001231213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8258.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12001231213233 its reverse (33231213210021), we get a palindrome (45232444423254).

The spelling of 12001231213233 in words is "twelve trillion, one billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred thirty-three".