1224000020322 has 40 divisors (see below), whose sum is σ = 2746682577936. Its totient is φ = 407402605368.

The previous prime is 1224000020303. The next prime is 1224000020401. The reversal of 1224000020322 is 2230200004221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1224000020295 and 1224000020304.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5420508 + ... + 5641799.

Almost surely, 2^{1224000020322} is an apocalyptic number.

1224000020322 is an abundant number, since it is smaller than the sum of its proper divisors (1522682557614).

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

1224000020322 is a wasteful number, since it uses less digits than its factorization.

1224000020322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11063004 (or 11062995 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 1224000020322 its reverse (2230200004221), we get a palindrome (3454200024543).

The spelling of 1224000020322 in words is "one trillion, two hundred twenty-four billion, twenty thousand, three hundred twenty-two".