22200102212012 has 12 divisors (see below), whose sum is σ = 38850212003400. Its totient is φ = 11100041639616.

The previous prime is 22200102212003. The next prime is 22200102212017. The reversal of 22200102212012 is 21021220100222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22200102212017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7269239 + ... + 9861137.

It is an arithmetic number, because the mean of its divisors is an integer number (3237517666950).

Almost surely, 2^{22200102212012} is an apocalyptic number.

It is an amenable number.

22200102212012 is a deficient number, since it is larger than the sum of its proper divisors (16650109791388).

22200102212012 is a wasteful number, since it uses less digits than its factorization.

22200102212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733200 (or 4733198 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22200102212012 its reverse (21021220100222), we get a palindrome (43221322312234).

The spelling of 22200102212012 in words is "twenty-two trillion, two hundred billion, one hundred two million, two hundred twelve thousand, twelve".