1210221012122 has 32 divisors (see below), whose sum is σ = 1842496934400. Its totient is φ = 596091719808.

The previous prime is 1210221012109. The next prime is 1210221012179. The reversal of 1210221012122 is 2212101220121.

It is a self number, because there is not a number n which added to its sum of digits gives 1210221012122.

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 15 ways as a sum of consecutive naturals, for example, 170955779 + ... + 170962857.

It is an arithmetic number, because the mean of its divisors is an integer number (57578029200).

Almost surely, 2^{1210221012122} is an apocalyptic number.

1210221012122 is a deficient number, since it is larger than the sum of its proper divisors (632275922278).

1210221012122 is a wasteful number, since it uses less digits than its factorization.

1210221012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9470.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1210221012122 its reverse (2212101220121), we get a palindrome (3422322232243).

The spelling of 1210221012122 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, twelve thousand, one hundred twenty-two".