1002212201212 has 24 divisors (see below), whose sum is σ = 1772663365872. Its totient is φ = 495753350400.

The previous prime is 1002212201201. The next prime is 1002212201227. The reversal of 1002212201212 is 2121022122001.

It is a happy number.

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, 1804714 + ... + 2293777.

It is an arithmetic number, because the mean of its divisors is an integer number (73860973578).

Almost surely, 2^{1002212201212} is an apocalyptic number.

It is an amenable number.

1002212201212 is a deficient number, since it is larger than the sum of its proper divisors (770451164660).

1002212201212 is a wasteful number, since it uses less digits than its factorization.

1002212201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099149 (or 4099147 counting only the distinct ones).

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

Adding to 1002212201212 its reverse (2121022122001), we get a palindrome (3123234323213).

The spelling of 1002212201212 in words is "one trillion, two billion, two hundred twelve million, two hundred one thousand, two hundred twelve".