11222200001212 has 24 divisors (see below), whose sum is σ = 21464853137280. Its totient is φ = 5110679316480.

The previous prime is 11222200001189. The next prime is 11222200001249. The reversal of 11222200001212 is 21210000222211.

It is a happy number.

It is a super-2 number, since 2×11222200001212² (a number of 27 digits) contains 22 as substring.

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, 2661810037 + ... + 2661814252.

It is an arithmetic number, because the mean of its divisors is an integer number (894368880720).

Almost surely, 2^{11222200001212} is an apocalyptic number.

It is an amenable number.

11222200001212 is a deficient number, since it is larger than the sum of its proper divisors (10242653136068).

11222200001212 is a wasteful number, since it uses less digits than its factorization.

11222200001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323624341 (or 5323624339 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11222200001212 its reverse (21210000222211), we get a palindrome (32432200223423).

The spelling of 11222200001212 in words is "eleven trillion, two hundred twenty-two billion, two hundred million, one thousand, two hundred twelve".