22212200000212 has 24 divisors (see below), whose sum is σ = 40126420454400. Its totient is φ = 10747529083680.

The previous prime is 22212200000197. The next prime is 22212200000257. The reversal of 22212200000212 is 21200000221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770933 + ... + 6896419.

It is an arithmetic number, because the mean of its divisors is an integer number (1671934185600).

Almost surely, 2^{22212200000212} is an apocalyptic number.

It is an amenable number.

22212200000212 is a deficient number, since it is larger than the sum of its proper divisors (17914220454188).

22212200000212 is a wasteful number, since it uses less digits than its factorization.

22212200000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160471 (or 5160469 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22212200000212 its reverse (21200000221222), we get a palindrome (43412200221434).

The spelling of 22212200000212 in words is "twenty-two trillion, two hundred twelve billion, two hundred million, two hundred twelve", and thus it is an aban number.