312223110220 has 24 divisors (see below), whose sum is σ = 749335464864. Its totient is φ = 107047923456.

The previous prime is 312223110217. The next prime is 312223110233. The reversal of 312223110220 is 22011322213.

It is an unprimeable number.

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, 1115082397 + ... + 1115082676.

It is an arithmetic number, because the mean of its divisors is an integer number (31222311036).

Almost surely, 2^312223110220 is an apocalyptic number.

It is an amenable number.

312223110220 is an abundant number, since it is smaller than the sum of its proper divisors (437112354644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312223110220 is a wasteful number, since it uses less digits than its factorization.

312223110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230165089 (or 2230165087 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312223110220 its reverse (22011322213), we get a palindrome (334234432433).

The spelling of 312223110220 in words is "three hundred twelve billion, two hundred twenty-three million, one hundred ten thousand, two hundred twenty".