312012204231223 has 8 divisors (see below), whose sum is σ = 317301273614160. Its totient is φ = 306723159079680.

The previous prime is 312012204231109. The next prime is 312012204231229. The reversal of 312012204231223 is 322132402210213.

It is a happy number.

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

It is not a de Polignac number, because 312012204231223 - 2⁹ = 312012204230711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312012204231191 and 312012204231200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312012204231229) 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, 20923111 + ... + 32585287.

It is an arithmetic number, because the mean of its divisors is an integer number (39662659201770).

Almost surely, 2^{312012204231223} is an apocalyptic number.

312012204231223 is a deficient number, since it is larger than the sum of its proper divisors (5289069382937).

312012204231223 is a wasteful number, since it uses less digits than its factorization.

312012204231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12115697.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 312012204231223 its reverse (322132402210213), we get a palindrome (634144606441436).

The spelling of 312012204231223 in words is "three hundred twelve trillion, twelve billion, two hundred four million, two hundred thirty-one thousand, two hundred twenty-three".