312220211233 has 8 divisors (see below), whose sum is σ = 362870948160. Its totient is φ = 263081436720.

The previous prime is 312220211203. The next prime is 312220211263. The reversal of 312220211233 is 332112022213.

It is an interprime number because it is at equal distance from previous prime (312220211203) and next prime (312220211263).

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

It is a cyclic number.

It is not a de Polignac number, because 312220211233 - 2⁹ = 312220210721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312220211203) 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, 377990158 + ... + 377990983.

It is an arithmetic number, because the mean of its divisors is an integer number (45358868520).

Almost surely, 2^312220211233 is an apocalyptic number.

It is an amenable number.

312220211233 is a deficient number, since it is larger than the sum of its proper divisors (50650736927).

312220211233 is an equidigital number, since it uses as much as digits as its factorization.

312220211233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755981207.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312220211233 its reverse (332112022213), we get a palindrome (644332233446).

The spelling of 312220211233 in words is "three hundred twelve billion, two hundred twenty million, two hundred eleven thousand, two hundred thirty-three".