1200010221222 has 16 divisors (see below), whose sum is σ = 2400036031152. Its totient is φ = 400000808960.

The previous prime is 1200010221217. The next prime is 1200010221227. The reversal of 1200010221222 is 2221220100021.

It is an interprime number because it is at equal distance from previous prime (1200010221217) and next prime (1200010221227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200010221227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510598 + ... + 1631174.

It is an arithmetic number, because the mean of its divisors is an integer number (150002251947).

Almost surely, 2^{1200010221222} is an apocalyptic number.

1200010221222 is an abundant number, since it is smaller than the sum of its proper divisors (1200025809930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200010221222 is a wasteful number, since it uses less digits than its factorization.

1200010221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299063.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1200010221222 its reverse (2221220100021), we get a palindrome (3421230321243).

The spelling of 1200010221222 in words is "one trillion, two hundred billion, ten million, two hundred twenty-one thousand, two hundred twenty-two".