12021223212322 has 32 divisors (see below), whose sum is σ = 18375267740544. Its totient is φ = 5897464070400.

The previous prime is 12021223212277. The next prime is 12021223212359. The reversal of 12021223212322 is 22321232212021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9165697 + ... + 10394827.

It is an arithmetic number, because the mean of its divisors is an integer number (574227116892).

Almost surely, 2^{12021223212322} is an apocalyptic number.

12021223212322 is a deficient number, since it is larger than the sum of its proper divisors (6354044528222).

12021223212322 is a wasteful number, since it uses less digits than its factorization.

12021223212322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229674.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12021223212322 its reverse (22321232212021), we get a palindrome (34342455424343).

The spelling of 12021223212322 in words is "twelve trillion, twenty-one billion, two hundred twenty-three million, two hundred twelve thousand, three hundred twenty-two".