312223222009984 has 16 divisors (see below), whose sum is σ = 622007200098270. Its totient is φ = 156111611004928.

The previous prime is 312223222009943. The next prime is 312223222010059. The reversal of 312223222009984 is 489900222322213.

It can be written as a sum of positive squares in only one way, i.e., 303027044459584 + 9196177550400 = 17407672^2 + 3032520^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219621960849 + ... + 1219621961104.

Almost surely, 2^{312223222009984} is an apocalyptic number.

It is an amenable number.

312223222009984 is a deficient number, since it is larger than the sum of its proper divisors (309783978088286).

312223222009984 is an equidigital number, since it uses as much as digits as its factorization.

312223222009984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439243921967 (or 2439243921955 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 312223222009984 in words is "three hundred twelve trillion, two hundred twenty-three billion, two hundred twenty-two million, nine thousand, nine hundred eighty-four".