1222320112002 has 24 divisors (see below), whose sum is σ = 2889120265200. Its totient is φ = 370400033880.

The previous prime is 1222320112001. The next prime is 1222320112021. The reversal of 1222320112002 is 2002110232221.

1222320112002 is a `hidden beast` number, since 1 + 222 + 320 + 1 + 120 + 0 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1222320112001) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3086666752 + ... + 3086667147.

It is an arithmetic number, because the mean of its divisors is an integer number (120380011050).

Almost surely, 2^{1222320112002} is an apocalyptic number.

1222320112002 is an abundant number, since it is smaller than the sum of its proper divisors (1666800153198).

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

1222320112002 is a wasteful number, since it uses less digits than its factorization.

1222320112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6173333918 (or 6173333915 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1222320112002 its reverse (2002110232221), we get a palindrome (3224430344223).

The spelling of 1222320112002 in words is "one trillion, two hundred twenty-two billion, three hundred twenty million, one hundred twelve thousand, two".