1212200211022 has 24 divisors (see below), whose sum is σ = 1942341807960. Its totient is φ = 567260254080.

The previous prime is 1212200211011. The next prime is 1212200211031. The reversal of 1212200211022 is 2201120022121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1212200210987 and 1212200211005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5754729 + ... + 5961652.

It is an arithmetic number, because the mean of its divisors is an integer number (80930908665).

Almost surely, 2^{1212200211022} is an apocalyptic number.

1212200211022 is a deficient number, since it is larger than the sum of its proper divisors (730141596938).

1212200211022 is a wasteful number, since it uses less digits than its factorization.

1212200211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11716596 (or 11716579 counting only the distinct ones).

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

Adding to 1212200211022 its reverse (2201120022121), we get a palindrome (3413320233143).

The spelling of 1212200211022 in words is "one trillion, two hundred twelve billion, two hundred million, two hundred eleven thousand, twenty-two".