22200221210212 has 12 divisors (see below), whose sum is σ = 38850586266240. Its totient is φ = 11100053705576.

The previous prime is 22200221210179. The next prime is 22200221210231. The reversal of 22200221210212 is 21201212200222.

It is a self number, because there is not a number n which added to its sum of digits gives 22200221210212.

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, 13340908 + ... + 14912419.

It is an arithmetic number, because the mean of its divisors is an integer number (3237548855520).

Almost surely, 2^{22200221210212} is an apocalyptic number.

It is an amenable number.

22200221210212 is a deficient number, since it is larger than the sum of its proper divisors (16650365056028).

22200221210212 is a wasteful number, since it uses less digits than its factorization.

22200221210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28449770 (or 28449768 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22200221210212 its reverse (21201212200222), we get a palindrome (43401433410434).

The spelling of 22200221210212 in words is "twenty-two trillion, two hundred billion, two hundred twenty-one million, two hundred ten thousand, two hundred twelve".