12001031223 has 8 divisors (see below), whose sum is σ = 16240201728. Its totient is φ = 7881274104.

The previous prime is 12001031219. The next prime is 12001031257. The reversal of 12001031223 is 32213010021.

12001031223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12001031223 - 2² = 12001031219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001031213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29853111 + ... + 29853512.

It is an arithmetic number, because the mean of its divisors is an integer number (2030025216).

Almost surely, 2^12001031223 is an apocalyptic number.

12001031223 is a deficient number, since it is larger than the sum of its proper divisors (4239170505).

12001031223 is an equidigital number, since it uses as much as digits as its factorization.

12001031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59706693.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12001031223 its reverse (32213010021), we get a palindrome (44214041244).

The spelling of 12001031223 in words is "twelve billion, one million, thirty-one thousand, two hundred twenty-three".