12001231212023 has 4 divisors (see below), whose sum is σ = 12001253986128. Its totient is φ = 12001208437920.

The previous prime is 12001231211999. The next prime is 12001231212053. The reversal of 12001231212023 is 32021213210021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12001231212023 - 2¹⁰ = 12001231210999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001231211986 and 12001231212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001231212053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10577411 + ... + 11656932.

It is an arithmetic number, because the mean of its divisors is an integer number (3000313496532).

Almost surely, 2^{12001231212023} is an apocalyptic number.

12001231212023 is a deficient number, since it is larger than the sum of its proper divisors (22774105).

12001231212023 is an equidigital number, since it uses as much as digits as its factorization.

12001231212023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22774104.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12001231212023 its reverse (32021213210021), we get a palindrome (44022444422044).

The spelling of 12001231212023 in words is "twelve trillion, one billion, two hundred thirty-one million, two hundred twelve thousand, twenty-three".