22212020320012 has 12 divisors (see below), whose sum is σ = 38926486400256. Its totient is φ = 11090167062800.

The previous prime is 22212020319989. The next prime is 22212020320031. The reversal of 22212020320012 is 21002302021222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3960771148 + ... + 3960776755.

It is an arithmetic number, because the mean of its divisors is an integer number (3243873866688).

Almost surely, 2^{22212020320012} is an apocalyptic number.

It is an amenable number.

22212020320012 is a deficient number, since it is larger than the sum of its proper divisors (16714466080244).

22212020320012 is a wasteful number, since it uses less digits than its factorization.

22212020320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7921548608 (or 7921548606 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22212020320012 its reverse (21002302021222), we get a palindrome (43214322341234).

The spelling of 22212020320012 in words is "twenty-two trillion, two hundred twelve billion, twenty million, three hundred twenty thousand, twelve".