1222000011212 has 24 divisors (see below), whose sum is σ = 2160155055072. Its totient is φ = 604815552000.

The previous prime is 1222000011157. The next prime is 1222000011263. The reversal of 1222000011212 is 2121100002221.

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, 1488137 + ... + 2158367.

It is an arithmetic number, because the mean of its divisors is an integer number (90006460628).

Almost surely, 2^{1222000011212} is an apocalyptic number.

It is an amenable number.

1222000011212 is a deficient number, since it is larger than the sum of its proper divisors (938155043860).

1222000011212 is a wasteful number, since it uses less digits than its factorization.

1222000011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674849 (or 674847 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222000011212 its reverse (2121100002221), we get a palindrome (3343100013433).

The spelling of 1222000011212 in words is "one trillion, two hundred twenty-two billion, eleven thousand, two hundred twelve".