312223212212333 has 4 divisors (see below), whose sum is σ = 315442008214620. Its totient is φ = 309004416210048.

The previous prime is 312223212212311. The next prime is 312223212212399. The reversal of 312223212212333 is 333212212322213.

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

It can be written as a sum of positive squares in 2 ways, for example, as 88335524095204 + 223887688117129 = 9398698^2 + 14962877^2 .

It is a cyclic number.

It is not a de Polignac number, because 312223212212333 - 2³⁶ = 312154492735597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312223212212333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312223212212033) 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, 1609398000998 + ... + 1609398001191.

It is an arithmetic number, because the mean of its divisors is an integer number (78860502053655).

Almost surely, 2^{312223212212333} is an apocalyptic number.

It is an amenable number.

312223212212333 is a deficient number, since it is larger than the sum of its proper divisors (3218796002287).

312223212212333 is an equidigital number, since it uses as much as digits as its factorization.

312223212212333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218796002286.

The product of its digits is 31104, while the sum is 32.

Adding to 312223212212333 its reverse (333212212322213), we get a palindrome (645435424534546).

The spelling of 312223212212333 in words is "three hundred twelve trillion, two hundred twenty-three billion, two hundred twelve million, two hundred twelve thousand, three hundred thirty-three".