1200202021222 has 4 divisors (see below), whose sum is σ = 1800303031836. Its totient is φ = 600101010610.

The previous prime is 1200202021211. The next prime is 1200202021301. The reversal of 1200202021222 is 2221202020021.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1200202021196 and 1200202021205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300050505304 + ... + 300050505307.

It is an arithmetic number, because the mean of its divisors is an integer number (450075757959).

Almost surely, 2^{1200202021222} is an apocalyptic number.

1200202021222 is a deficient number, since it is larger than the sum of its proper divisors (600101010614).

1200202021222 is an equidigital number, since it uses as much as digits as its factorization.

1200202021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600101010613.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1200202021222 its reverse (2221202020021), we get a palindrome (3421404041243).

The spelling of 1200202021222 in words is "one trillion, two hundred billion, two hundred two million, twenty-one thousand, two hundred twenty-two".