1202121002222 has 32 divisors (see below), whose sum is σ = 2108565811200. Its totient is φ = 513790807320.

The previous prime is 1202121002207. The next prime is 1202121002233. The reversal of 1202121002222 is 2222001212021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202121002222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2135654 + ... + 2639177.

It is an arithmetic number, because the mean of its divisors is an integer number (65892681600).

Almost surely, 2^{1202121002222} is an apocalyptic number.

1202121002222 is a deficient number, since it is larger than the sum of its proper divisors (906444808978).

1202121002222 is an equidigital number, since it uses as much as digits as its factorization.

1202121002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775221 (or 4775207 counting only the distinct ones).

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

Adding to 1202121002222 its reverse (2222001212021), we get a palindrome (3424122214243).

The spelling of 1202121002222 in words is "one trillion, two hundred two billion, one hundred twenty-one million, two thousand, two hundred twenty-two".