312001000222 has 8 divisors (see below), whose sum is σ = 469180346616. Its totient is φ = 155607551352.

The previous prime is 312001000219. The next prime is 312001000231. The reversal of 312001000222 is 222000100213.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196473388 + ... + 196474975.

It is an arithmetic number, because the mean of its divisors is an integer number (58647543327).

Almost surely, 2^312001000222 is an apocalyptic number.

312001000222 is a deficient number, since it is larger than the sum of its proper divisors (157179346394).

312001000222 is a wasteful number, since it uses less digits than its factorization.

312001000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392948762.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 312001000222 its reverse (222000100213), we get a palindrome (534001100435).

Subtracting from 312001000222 its reverse (222000100213), we obtain a palindrome (90000900009).

The spelling of 312001000222 in words is "three hundred twelve billion, one million, two hundred twenty-two", and thus it is an aban number.