22002200211212 has 24 divisors (see below), whose sum is σ = 41467264652016. Its totient is φ = 10154474785728.

The previous prime is 22002200211191. The next prime is 22002200211253. The reversal of 22002200211212 is 21211200220022.

It is a happy 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, 6678998 + ... + 9413469.

It is an arithmetic number, because the mean of its divisors is an integer number (1727802693834).

Almost surely, 2^{22002200211212} is an apocalyptic number.

It is an amenable number.

22002200211212 is a deficient number, since it is larger than the sum of its proper divisors (19465064440804).

22002200211212 is a wasteful number, since it uses less digits than its factorization.

22002200211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16118777 (or 16118775 counting only the distinct ones).

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

Adding to 22002200211212 its reverse (21211200220022), we get a palindrome (43213400431234).

The spelling of 22002200211212 in words is "twenty-two trillion, two billion, two hundred million, two hundred eleven thousand, two hundred twelve".