1200221221022 has 8 divisors (see below), whose sum is σ = 1800336877200. Its totient is φ = 600108928624.

The previous prime is 1200221221019. The next prime is 1200221221081. The reversal of 1200221221022 is 2201221220021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443354 + ... + 1611522.

It is an arithmetic number, because the mean of its divisors is an integer number (225042109650).

Almost surely, 2^{1200221221022} is an apocalyptic number.

1200221221022 is a deficient number, since it is larger than the sum of its proper divisors (600115656178).

1200221221022 is a wasteful number, since it uses less digits than its factorization.

1200221221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681890.

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

Adding to 1200221221022 its reverse (2201221220021), we get a palindrome (3401442441043).

The spelling of 1200221221022 in words is "one trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-one thousand, twenty-two".