312224212320022 has 16 divisors (see below), whose sum is σ = 471320373818592. Its totient is φ = 155117425357440.

The previous prime is 312224212319963. The next prime is 312224212320023. The reversal of 312224212320022 is 220023212422213.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312224212320023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209408238 + ... + 210893950.

It is an arithmetic number, because the mean of its divisors is an integer number (29457523363662).

Almost surely, 2^{312224212320022} is an apocalyptic number.

312224212320022 is a deficient number, since it is larger than the sum of its proper divisors (159096161498570).

312224212320022 is a wasteful number, since it uses less digits than its factorization.

312224212320022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155143.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 312224212320022 its reverse (220023212422213), we get a palindrome (532247424742235).

The spelling of 312224212320022 in words is "three hundred twelve trillion, two hundred twenty-four billion, two hundred twelve million, three hundred twenty thousand, twenty-two".