1200221210022 has 16 divisors (see below), whose sum is σ = 2401017151152. Its totient is φ = 399977948160.

The previous prime is 1200221209991. The next prime is 1200221210051. The reversal of 1200221210022 is 2200121220021.

It is a junction number, because it is equal to n+sod(n) for n = 1200221209983 and 1200221210010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23919979 + ... + 23970102.

It is an arithmetic number, because the mean of its divisors is an integer number (150063571947).

Almost surely, 2^{1200221210022} is an apocalyptic number.

1200221210022 is an abundant number, since it is smaller than the sum of its proper divisors (1200795941130).

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

1200221210022 is a wasteful number, since it uses less digits than its factorization.

1200221210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47894263.

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

Adding to 1200221210022 its reverse (2200121220021), we get a palindrome (3400342430043).

Subtracting 1200221210022 from its reverse (2200121220021), we obtain a palindrome (999900009999).

The spelling of 1200221210022 in words is "one trillion, two hundred billion, two hundred twenty-one million, two hundred ten thousand, twenty-two".