22200102001212 has 48 divisors (see below), whose sum is σ = 51972985347360. Its totient is φ = 7375386154752.

The previous prime is 22200102001199. The next prime is 22200102001213. The reversal of 22200102001212 is 21210020100222.

It is a junction number, because it is equal to n+sod(n) for n = 22200102001191 and 22200102001200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200102001213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3959118 + ... + 7750794.

It is an arithmetic number, because the mean of its divisors is an integer number (1082770528070).

Almost surely, 2^{22200102001212} is an apocalyptic number.

It is an amenable number.

22200102001212 is an abundant number, since it is smaller than the sum of its proper divisors (29772883346148).

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

22200102001212 is a wasteful number, since it uses less digits than its factorization.

22200102001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793310 (or 3793308 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22200102001212 its reverse (21210020100222), we get a palindrome (43410122101434).

The spelling of 22200102001212 in words is "twenty-two trillion, two hundred billion, one hundred two million, one thousand, two hundred twelve".