1200200022212 has 24 divisors (see below), whose sum is σ = 2124910632600. Its totient is φ = 593088801536.

The previous prime is 1200200022187. The next prime is 1200200022223. The reversal of 1200200022212 is 2122200020021.

It can be written as a sum of positive squares in 4 ways, for example, as 229647974656 + 970552047556 = 479216^2 + 985166^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 26114 + ... + 1549542.

It is an arithmetic number, because the mean of its divisors is an integer number (88537943025).

Almost surely, 2^{1200200022212} is an apocalyptic number.

It is an amenable number.

1200200022212 is a deficient number, since it is larger than the sum of its proper divisors (924710610388).

1200200022212 is a wasteful number, since it uses less digits than its factorization.

1200200022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525735 (or 1525733 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1200200022212 its reverse (2122200020021), we get a palindrome (3322400042233).

The spelling of 1200200022212 in words is "one trillion, two hundred billion, two hundred million, twenty-two thousand, two hundred twelve".